{"title":"27,000 BTU\/2.25 TON","description":"\u003cstyle\u003e\n  .ms4l-sz {\n    --bg: #f8fafc; --surface: #ffffff; --text: #0f172a; --muted: #64748b; --border: #e5e7eb;\n    --accent: #4f46e5; --accent2: #1d4ed8; --soft: #eef2ff; --warn: #f59e0b;\n    --radius-lg: 18px; --radius-md: 14px; --radius-pill: 999px;\n    --shadow: 0 18px 50px rgba(15,23,42,.10); --shadow2: 0 10px 24px rgba(15,23,42,.10);\n    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;\n    color: var(--text); background: linear-gradient(180deg, var(--bg), #ffffff);\n    border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px;\n    box-shadow: var(--shadow); max-width: 1100px; margin: 18px auto;\n  }\n  .ms4l-sz * { box-sizing: border-box; }\n  .ms4l-sz a { color: var(--accent2); text-decoration: none; }\n  .ms4l-sz a:hover { text-decoration: underline; }\n  .ms4l-sz-hl { background: rgba(79,70,229,.12); color: var(--accent2); font-weight: 800; padding: 2px 6px; 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}\n  \n  .ms4l-sz-faq { margin-top: 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; overflow: hidden; box-shadow: var(--shadow2); }\n  .ms4l-sz-faq-head { padding: 14px 16px; background: linear-gradient(180deg, var(--soft), #ffffff); border-bottom: 1px solid var(--border); }\n  .ms4l-sz-faq-head h2 { margin: 0; font-size: 18px; color: var(--text); }\n  .ms4l-sz-faq details { border-bottom: 1px solid var(--border); padding: 0; }\n  .ms4l-sz-faq details:last-child { border-bottom: none; }\n  .ms4l-sz-faq summary { list-style: none; cursor: pointer; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 14px 16px; font-weight: 900; color: var(--text); font-size: 14px; }\n  .ms4l-sz-faq summary::-webkit-details-marker { display: none; }\n  .ms4l-sz-faq summary .icon { width: 26px; height: 26px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: rgba(79,70,229,.10); color: var(--accent2); flex: 0 0 auto; font-weight: 900; }\n  .ms4l-sz-faq summary .chev { margin-left: auto; width: 30px; height: 30px; border-radius: 12px; border: 1px solid var(--border); background: #fff; display: inline-flex; align-items: center; justify-content: center; color: var(--muted); transition: transform .25s ease; flex: 0 0 auto; }\n  .ms4l-sz-faq details[open] summary .chev { transform: rotate(90deg); }\n  .ms4l-sz-faq .answer { padding: 0 16px 14px 54px; color: var(--muted); font-size: 14px; line-height: 1.65; }\n  @media (max-width: 600px) { .ms4l-sz-faq .answer { padding-left: 16px; } }\n\u003c\/style\u003e\n\n\u003carticle aria-label=\"27,000 BTU \/ 2.25 Ton Ductless Mini Split Collection\" class=\"ms4l-sz\"\u003e\n  \u003cdiv class=\"ms4l-sz-top\"\u003e\n    \u003cdiv class=\"ms4l-sz-hero\"\u003e\n      \u003cdiv class=\"ms4l-sz-kicker\"\u003e⚡ 27,000 BTU • 2.25 Ton Capacity\u003c\/div\u003e\n      \u003ch1 class=\"ms4l-sz-title\"\u003e27,000 BTU (2.25 Ton) HVAC Systems\u003c\/h1\u003e\n      \u003cp class=\"ms4l-sz-sub read-audio\"\u003eA \u003cstrong\u003e27000 btu mini split\u003c\/strong\u003e is an incredibly strategic choice for multi-room climate control. Nestled perfectly between standard 2-Ton and 2.5-Ton units, a \u003cstrong\u003e2.25 ton mini split\u003c\/strong\u003e allows you to run three 9,000 BTU indoor heads off a single outdoor compressor (9k+9k+9k). This provides independent thermostats for three bedrooms or a living area, effectively cooling and heating spaces up to 1,350 square feet.\u003c\/p\u003e\n      \n      \u003cul aria-label=\"Popular use cases\" class=\"ms4l-sz-pills\"\u003e\n        \u003cli class=\"ms4l-sz-pill\"\u003e📏 \u003cb\u003e1,000 to 1,350 sq ft\u003c\/b\u003e\n\u003c\/li\u003e\n        \u003cli class=\"ms4l-sz-pill\"\u003e🎛️ \u003cb\u003ePerfect for 3 Zones\u003c\/b\u003e\n\u003c\/li\u003e\n        \u003cli class=\"ms4l-sz-pill\"\u003e🏡 \u003cb\u003eMulti-Room Comfort\u003c\/b\u003e\n\u003c\/li\u003e\n        \u003cli class=\"ms4l-sz-pill\"\u003e⚡ \u003cb\u003e208\/230V\u003c\/b\u003e Power\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003caside class=\"ms4l-sz-side\"\u003e\n      \u003cnav class=\"ms4l-sz-nav\"\u003e\n        \u003cp class=\"ms4l-sz-nav-title\"\u003eQuick Links\u003c\/p\u003e\n        \u003cul class=\"ms4l-sz-nav-links\"\u003e\n          \u003cli\u003e\u003ca href=\"#features\"\u003e✨ System Benefits\u003c\/a\u003e\u003c\/li\u003e\n          \u003cli\u003e\u003ca href=\"#btu-guide\"\u003e📏 Tonnage Conversion\u003c\/a\u003e\u003c\/li\u003e\n          \u003cli\u003e\u003ca href=\"#deals\"\u003e🎯 Multi-Zone Deals\u003c\/a\u003e\u003c\/li\u003e\n          \u003cli\u003e\u003ca href=\"#faq\"\u003e❓ Expert FAQ\u003c\/a\u003e\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/nav\u003e\n      \n      \u003cdiv class=\"ms4l-sz-card\"\u003e\n        \u003ch3\u003e🤔 The \"3-Zone\" Sweet Spot\u003c\/h3\u003e\n        \u003cp\u003eWhy choose 2.25 Tons? Because 3 multiplied by 9,000 BTU equals exactly 27,000 BTU. It is the most mathematically efficient way to cool three standard bedrooms simultaneously.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/aside\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"ms4l-sz-grid\"\u003e\n    \u003csection id=\"features\" class=\"ms4l-sz-block\"\u003e\n      \u003ch2\u003eWhy Choose a 27,000 BTU Mini Split?\u003c\/h2\u003e\n      \u003cp\u003eInvesting in a \u003cstrong\u003e27k btu ductless ac\u003c\/strong\u003e system offers premium versatility for standard homes.\u003c\/p\u003e\n      \u003cul class=\"ms4l-sz-bullets\"\u003e\n        \u003cli\u003e\n          \u003cspan\u003e✓\u003c\/span\u003e\n          \u003cdiv\u003e\n\u003cb\u003eUltimate Multi-Zoning\u003c\/b\u003e\u003cbr\u003eA \u003cstrong\u003e27000 btu multi zone mini split\u003c\/strong\u003e is built specifically to run 2 to 3 indoor units, giving every family member their own temperature control.\u003c\/div\u003e\n        \u003c\/li\u003e\n        \u003cli\u003e\n          \u003cspan\u003e✓\u003c\/span\u003e\n          \u003cdiv\u003e\n\u003cb\u003eInverter Compressor Tech\u003c\/b\u003e\u003cbr\u003eThe variable-speed \u003cstrong\u003e2.25 ton ductless heat pump\u003c\/strong\u003e automatically adjusts its power, saving you up to 30% on energy bills compared to old central air.\u003c\/div\u003e\n        \u003c\/li\u003e\n        \u003cli\u003e\n          \u003cspan\u003e✓\u003c\/span\u003e\n          \u003cdiv\u003e\n\u003cb\u003ePowerful Heating Included\u003c\/b\u003e\u003cbr\u003eEnjoy a \u003cstrong\u003e27 000 btu heat pump\u003c\/strong\u003e that provides reliable heating during the winter and powerful cooling in the summer, all from one system.\u003c\/div\u003e\n        \u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/section\u003e\n\n    \u003csection id=\"btu-guide\" class=\"ms4l-sz-block\" style=\"padding:0; border:none; box-shadow:none; background:transparent;\"\u003e\n      \u003cdiv class=\"ms4l-sz-table-wrapper\" style=\"margin-top:0;\"\u003e\n        \u003ctable aria-label=\"BTU to Ton Conversion Table\" class=\"ms4l-sz-table\"\u003e\n          \u003cthead\u003e\n            \u003ctr\u003e\n              \u003cth\u003eCooling Capacity (BTU\/hr)\u003c\/th\u003e\n              \u003cth\u003eEquivalent Size (TON)\u003c\/th\u003e\n            \u003c\/tr\u003e\n          \u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e18,000 BTU\u003c\/td\u003e\n\u003ctd\u003e1.50 TON\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e24,000 BTU\u003c\/td\u003e\n\u003ctd\u003e2.00 TON\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr style=\"background: rgba(79,70,229,.12);\"\u003e\n              \u003ctd\u003e\u003cstrong\u003e27,000 BTU\u003c\/strong\u003e\u003c\/td\u003e\n              \u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"ms4l-sz-hl\"\u003e2.25 TON\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e30,000 BTU\u003c\/td\u003e\n\u003ctd\u003e2.50 TON\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e36,000 BTU\u003c\/td\u003e\n\u003ctd\u003e3.00 TON\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"ms4l-sz-note\" style=\"margin-top: 8px;\"\u003e*Tip: Proper sizing prevents short-cycling. Always refer to our \u003ca href=\"\/pages\/hvac-load-calculator\"\u003eLoad Calculator\u003c\/a\u003e if your home has vaulted ceilings or poor insulation.\u003c\/p\u003e\n    \u003c\/section\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv id=\"deals\" class=\"ms4l-sz-cta\"\u003e\n    \u003cdiv\u003e\n      \u003ch3\u003e🎯 Need a complete 3-Zone setup?\u003c\/h3\u003e\n      \u003cp\u003eExplore our \u003cstrong\u003eSALE Collection\u003c\/strong\u003e for premium 2.25-Ton ductless mini-splits, heavy-duty heat pumps, and multi-zone kits at discounted prices!\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003ca href=\"\/collections\/sale\" title=\"Clearance ductless mini split systems on sale\" class=\"ms4l-sz-btn\"\u003e\n      Shop 2.25 Ton Deals \u003cspan class=\"arrow\"\u003e→\u003c\/span\u003e\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003csection id=\"faq\" class=\"ms4l-sz-faq\"\u003e\n    \u003cdiv class=\"ms4l-sz-faq-head\"\u003e\n      \u003ch2\u003eFAQ: 27,000 BTU \/ 2.25 Ton Systems\u003c\/h2\u003e\n    \u003c\/div\u003e\n    \n    \u003cdetails open=\"\"\u003e\n      \u003csummary\u003e\u003cspan class=\"icon\"\u003e🧮\u003c\/span\u003e Is 27,000 BTU the same as 2.25 Tons? \u003cspan class=\"chev\"\u003e›\u003c\/span\u003e\u003c\/summary\u003e\n      \u003cdiv class=\"answer\"\u003eYes! In HVAC sizing, 1 Ton of cooling capacity equals exactly 12,000 BTU. Therefore, dividing a \u003cstrong\u003e27000 btu mini split\u003c\/strong\u003e by 12,000 gives you exactly \u003cstrong\u003e2.25 Tons\u003c\/strong\u003e.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cspan class=\"icon\"\u003e📏\u003c\/span\u003e What square footage does a 27000 btu mini split cover? \u003cspan class=\"chev\"\u003e›\u003c\/span\u003e\u003c\/summary\u003e\n      \u003cdiv class=\"answer\"\u003eA \u003cstrong\u003e27k btu ductless ac\u003c\/strong\u003e system effectively cools and heats spaces ranging from 1,000 to 1,350 square feet, assuming standard 8-foot ceilings and average insulation.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cspan class=\"icon\"\u003e🏘\u003c\/span\u003e How many zones can a 2.25 Ton mini split run? \u003cspan class=\"chev\"\u003e›\u003c\/span\u003e\u003c\/summary\u003e\n      \u003cdiv class=\"answer\"\u003eA 27k BTU outdoor condenser is predominantly used for 2-zone or 3-zone setups. A \u003cstrong\u003e3 zone 27000 btu mini split\u003c\/strong\u003e is incredibly popular because you can perfectly balance three 9,000 BTU indoor air handlers on the system (9k + 9k + 9k = 27k).\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003e\u003cspan class=\"icon\"\u003e⚡\u003c\/span\u003e What are the electrical requirements? \u003cspan class=\"chev\"\u003e›\u003c\/span\u003e\u003c\/summary\u003e\n      \u003cdiv class=\"answer\"\u003eSystems of this magnitude require a dedicated 208\/230V electrical circuit, usually paired with a 20-amp or 30-amp breaker. You will need an electrician to hardwire the outdoor unit.\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/section\u003e\n\u003c\/article\u003e","products":[{"product_id":"olmo-sierra-27-000-btu-outdoor-condenser-230v-r454b-ductless-mini-split-air-conditioner-heat-pump","title":"OLMO Sierra 27,000 BTU Outdoor Condenser, 230V, R454B - Mini Split Air Conditioner Heat Pump","description":"\u003cp\u003eThe \u003cstrong\u003eOLMO 27,000 BTU outdoor condenser\u003c\/strong\u003e (OS-RMS27-230VO) is the outdoor half of a R454B ductless mini split heat-pump system. Pair it with compatible indoor units to build your system.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOutdoor condenser (heat pump)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU\u003c\/strong\u003e nominal capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient cooling and heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e, factory pre-charged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit ratings as printed in the manufacturer catalog; combined-system capacity varies with the indoor-unit mix.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this the complete system or just the outdoor unit?\u003c\/h3\u003e\u003cp\u003eThis listing is the outdoor condenser only. Add the matching indoor unit(s) and a line-set kit to complete the system.\u003c\/p\u003e\u003ch3\u003eHow many indoor units can it run?\u003c\/h3\u003e\u003cp\u003eMatch it with compatible indoor units for your setup.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes — it is an inverter heat pump that both cools and heats.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B. Ships factory pre-charged; a licensed installer adjusts the charge for your line length.\u003c\/p\u003e\u003ch3\u003eWho should install it?\u003c\/h3\u003e\u003cp\u003eA licensed HVAC professional — required for refrigerant, electrical, and startup, and to keep the warranty valid.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eBacked by OLMO’s limited manufacturer warranty (with professional installation and registration).\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Professional installation and product registration are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"Default Title","offer_id":47813981143285,"sku":"OS-RMS27-230VO","price":1692.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/6914\/5280\/files\/olmo-sierra-27-000-btu-outdoor-condenser-230v-r454b-ductless-mini-397.webp?v=1773264555"},{"product_id":"3-zone-27-000-btu-olmo-sierra-ductless-mini-split-ac-wall-mounted-9k-9k-9k","title":"3 Zone 27,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+9k+9k","description":"\u003cp\u003eThe OLMO Sierra 3-Zone Ductless Mini Split System provides 27,000 nominal total BTU of cooling with three wall-mount zones, each offering 9,000 BTU of capacity and using R454B refrigerant. It features optional Wi-Fi control and operates efficiently down to -13°F ambient temperature for reliable heating performance.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 3 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 3 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 3 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 3-zone system: the OS-RMS27-230VO outdoor unit connects to 3 wall-mount indoor units (9,000 BTU, 9,000 BTU, 9,000 BTU), so it conditions 3 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit \/ No Installation Kit","offer_id":47822754545909,"sku":"OS-RMS27-230VOM09SRWM09SRWM09SRW-NO\/NO\/NO","price":2475.0,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 16FT Installation Kit","offer_id":47822754578677,"sku":"OS-RMS27-230VOM09SRWM09SRWM09SRW-NO\/NO\/16FT","price":2656.44,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 25FT Installation Kit","offer_id":47822754611445,"sku":"OS-RMS27-230VOM09SRWM09SRWM09SRW-NO\/NO\/25FT","price":2702.52,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 50FT Installation 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It offers optional Wi-Fi control and operates effectively in heating conditions as low as -13°F.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 3 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 3 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 3 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 3-zone system: the OS-RMS27-230VO outdoor unit connects to 3 wall-mount indoor units (12,000 BTU, 9,000 BTU, 9,000 BTU), so it conditions 3 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit \/ No Installation Kit","offer_id":47822776631541,"sku":"OS-RMS27-230VOM12SRWM09SRWM09SRW-NO\/NO\/NO","price":2482.5,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 16FT Installation Kit","offer_id":47822776664309,"sku":"OS-RMS27-230VOM12SRWM09SRWM09SRW-NO\/NO\/16FT","price":2663.94,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 25FT Installation Kit","offer_id":47822776697077,"sku":"OS-RMS27-230VOM12SRWM09SRWM09SRW-NO\/NO\/25FT","price":2710.02,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 50FT Installation 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It includes optional Wi-Fi control and operates effectively down to -13°F, ensuring reliable performance in cold environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 3 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 3 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM18SW-230VI (18,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 3 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM18SW-230VI\u003c\/td\u003e\n\u003ctd\u003e18,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 3-zone system: the OS-RMS27-230VO outdoor unit connects to 3 wall-mount indoor units (18,000 BTU, 9,000 BTU, 9,000 BTU), so it conditions 3 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit \/ No Installation Kit","offer_id":47822780137717,"sku":"OS-RMS27-230VOM18SRWM09SRWM09SRW-NO\/NO\/NO","price":2557.5,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 16FT Installation Kit","offer_id":47822780170485,"sku":"OS-RMS27-230VOM18SRWM09SRWM09SRW-NO\/NO\/16FT","price":2738.94,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 25FT Installation Kit","offer_id":47822780203253,"sku":"OS-RMS27-230VOM18SRWM09SRWM09SRW-NO\/NO\/25FT","price":2785.02,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 50FT Installation 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It uses R454B refrigerant, operates down to -13°F for heating, and includes optional Wi-Fi control for remote management.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 3 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 3 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 3 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 3-zone system: the OS-RMS27-230VO outdoor unit connects to 3 wall-mount indoor units (12,000 BTU, 12,000 BTU, 9,000 BTU), so it conditions 3 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit \/ No Installation Kit","offer_id":47822787608821,"sku":"OS-RMS27-230VOM12SRWM12SRWM09SRW-NO\/NO\/NO","price":2490.0,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 16FT Installation Kit","offer_id":47822787641589,"sku":"OS-RMS27-230VOM12SRWM12SRWM09SRW-NO\/NO\/16FT","price":2671.44,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 25FT Installation Kit","offer_id":47822787674357,"sku":"OS-RMS27-230VOM12SRWM12SRWM09SRW-NO\/NO\/25FT","price":2717.52,"currency_code":"USD","in_stock":false},{"title":"No Installation Kit \/ No Installation Kit \/ 50FT Installation 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It includes three wall-mount zones (OS-RM12SW-230VI), each providing 12,000 BTU of cooling, along with optional Wi-Fi control and a minimum heating ambient temperature of -13°F.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 3 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 3 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 3 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 3-zone system: the OS-RMS27-230VO outdoor unit connects to 3 wall-mount indoor units (12,000 BTU, 12,000 BTU, 12,000 BTU), so it conditions 3 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit \/ No Installation Kit","offer_id":47822812610805,"sku":"OS-RMS27-230VOM12SRWM12SRWM12SRW-NO\/NO\/NO","price":2497.5,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ No Installation Kit \/ 16FT Installation Kit","offer_id":47822812643573,"sku":"OS-RMS27-230VOM12SRWM12SRWM12SRW-NO\/NO\/16FT","price":2678.94,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ No Installation Kit \/ 25FT Installation Kit","offer_id":47822812676341,"sku":"OS-RMS27-230VOM12SRWM12SRWM12SRW-NO\/NO\/25FT","price":2725.02,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ No Installation Kit \/ 50FT Installation 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It uses R454B refrigerant, offers heating down to -13°F, and includes optional Wi-Fi control for remote management.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 2 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 2 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM18SW-230VI (18,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM09SW-230VI (9,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM18SW-230VI\u003c\/td\u003e\n\u003ctd\u003e18,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM09SW-230VI\u003c\/td\u003e\n\u003ctd\u003e9,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 2-zone system: the OS-RMS27-230VO outdoor unit connects to 2 wall-mount indoor units (18,000 BTU, 9,000 BTU), so it conditions 2 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. 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Each zone includes a 12,000 BTU wall-mount unit (OS-RM12SW-230VI), offering optional Wi-Fi control and capable of operation down to -13°F ambient temperature for heating.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 2 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 2 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 2-zone system: the OS-RMS27-230VO outdoor unit connects to 2 wall-mount indoor units (12,000 BTU, 12,000 BTU), so it conditions 2 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit","offer_id":47822910947573,"sku":"OS-RMS27-230VOM12SRWM12SRW-NO\/NO","price":2229.0,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 16FT Installation Kit","offer_id":47822910980341,"sku":"OS-RMS27-230VOM12SRWM12SRW-NO\/16FT","price":2410.44,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 25FT Installation Kit","offer_id":47822911013109,"sku":"OS-RMS27-230VOM12SRWM12SRW-NO\/25FT","price":2456.52,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 50FT Installation kit","offer_id":47822911045877,"sku":"OS-RMS27-230VOM12SRWM12SRW-NO\/50FT","price":2699.88,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ No Installation Kit","offer_id":47822911078645,"sku":"OS-RMS27-230VOM12SRWM12SRW-16FT\/NO","price":2410.44,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 16FT Installation Kit","offer_id":47822911111413,"sku":"OS-RMS27-230VOM12SRWM12SRW-16FT\/16FT","price":2591.88,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 25FT Installation Kit","offer_id":47822911144181,"sku":"OS-RMS27-230VOM12SRWM12SRW-16FT\/25FT","price":2637.96,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 50FT Installation kit","offer_id":47822911176949,"sku":"OS-RMS27-230VOM12SRWM12SRW-16FT\/50FT","price":2881.32,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ No Installation Kit","offer_id":47822911209717,"sku":"OS-RMS27-230VOM12SRWM12SRW-25FT\/NO","price":2456.52,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 16FT Installation Kit","offer_id":47822911242485,"sku":"OS-RMS27-230VOM12SRWM12SRW-25FT\/16FT","price":2637.96,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 25FT Installation Kit","offer_id":47822911275253,"sku":"OS-RMS27-230VOM12SRWM12SRW-25FT\/25FT","price":2684.04,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 50FT Installation kit","offer_id":47822911308021,"sku":"OS-RMS27-230VOM12SRWM12SRW-25FT\/50FT","price":2927.4,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ No Installation Kit","offer_id":47822911340789,"sku":"OS-RMS27-230VOM12SRWM12SRW-50FT\/NO","price":2699.88,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 16FT Installation Kit","offer_id":47822911373557,"sku":"OS-RMS27-230VOM12SRWM12SRW-50FT\/16FT","price":2881.32,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 25FT Installation Kit","offer_id":47822911406325,"sku":"OS-RMS27-230VOM12SRWM12SRW-50FT\/25FT","price":2927.4,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 50FT Installation kit","offer_id":47822911439093,"sku":"OS-RMS27-230VOM12SRWM12SRW-50FT\/50FT","price":3170.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/6914\/5280\/files\/olmo-2-zone-27-000-btu-sierra-ductless-mini-split-ac-wall-mounted-587.webp?v=1773434206"},{"product_id":"2-zone-27-000-btu-olmo-sierra-ductless-mini-split-ac-wall-mounted-12k-18k","title":"2 Zone 27,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 12k+18k","description":"\u003cp\u003eThe OLMO Sierra 2-Zone Ductless Mini Split System features an outdoor unit OS-RMS27-230VO with a nominal total cooling capacity of 27,000 BTU, supporting two wall-mount zones with individual cooling capacities of 18,000 and 12,000 BTU. It uses R454B refrigerant, operates down to -13°F ambient temperature for heating, and includes optional Wi-Fi control.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 2 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 2 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM18SW-230VI (18,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM12SW-230VI (12,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM18SW-230VI\u003c\/td\u003e\n\u003ctd\u003e18,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM12SW-230VI\u003c\/td\u003e\n\u003ctd\u003e12,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 2-zone system: the OS-RMS27-230VO outdoor unit connects to 2 wall-mount indoor units (18,000 BTU, 12,000 BTU), so it conditions 2 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit","offer_id":47822917632245,"sku":"OS-RMS27-230VOM18SRWM12SRW-NO\/NO","price":2304.0,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 16FT Installation Kit","offer_id":47822917665013,"sku":"OS-RMS27-230VOM18SRWM12SRW-NO\/16FT","price":2485.44,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 25FT Installation Kit","offer_id":47822917697781,"sku":"OS-RMS27-230VOM18SRWM12SRW-NO\/25FT","price":2531.52,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 50FT Installation kit","offer_id":47822917730549,"sku":"OS-RMS27-230VOM18SRWM12SRW-NO\/50FT","price":2774.88,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ No Installation Kit","offer_id":47822917763317,"sku":"OS-RMS27-230VOM18SRWM12SRW-16FT\/NO","price":2512.8,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 16FT Installation Kit","offer_id":47822917796085,"sku":"OS-RMS27-230VOM18SRWM12SRW-16FT\/16FT","price":2694.24,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 25FT Installation Kit","offer_id":47822917828853,"sku":"OS-RMS27-230VOM18SRWM12SRW-16FT\/25FT","price":2740.32,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 50FT Installation kit","offer_id":47822917861621,"sku":"OS-RMS27-230VOM18SRWM12SRW-16FT\/50FT","price":2983.68,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ No Installation Kit","offer_id":47822917894389,"sku":"OS-RMS27-230VOM18SRWM12SRW-25FT\/NO","price":2557.44,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 16FT Installation Kit","offer_id":47822917927157,"sku":"OS-RMS27-230VOM18SRWM12SRW-25FT\/16FT","price":2738.88,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 25FT Installation Kit","offer_id":47822917959925,"sku":"OS-RMS27-230VOM18SRWM12SRW-25FT\/25FT","price":2784.96,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 50FT Installation kit","offer_id":47822917992693,"sku":"OS-RMS27-230VOM18SRWM12SRW-25FT\/50FT","price":3028.32,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ No Installation Kit","offer_id":47822918025461,"sku":"OS-RMS27-230VOM18SRWM12SRW-50FT\/NO","price":2783.52,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 16FT Installation Kit","offer_id":47822918058229,"sku":"OS-RMS27-230VOM18SRWM12SRW-50FT\/16FT","price":2964.96,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 25FT Installation Kit","offer_id":47822918090997,"sku":"OS-RMS27-230VOM18SRWM12SRW-50FT\/25FT","price":3011.04,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 50FT Installation kit","offer_id":47822918123765,"sku":"OS-RMS27-230VOM18SRWM12SRW-50FT\/50FT","price":3254.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/6914\/5280\/files\/olmo-2-zone-27-000-btu-sierra-ductless-mini-split-ac-wall-mounted-863.webp?v=1773434212"},{"product_id":"2-zone-27-000-btu-olmo-sierra-ductless-mini-split-ac-wall-mounted-18k-18k","title":"2 Zone 27,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 18k+18k","description":"\u003cp\u003eThe OLMO Sierra 2-Zone Ductless Mini Split System features an outdoor unit (OS-RMS27-230VO) with a nominal total cooling capacity of 27,000 BTU and supports two wall-mount zones, each with 18,000 BTU cooling capacity. It uses R454B refrigerant, operates down to -13°F for heating, and includes optional Wi-Fi control for remote management.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-zone system\u003c\/strong\u003e — the OS-RMS27-230VO outdoor unit powers 2 independently controlled wall-mount indoor units (rated for up to 3 zones); diameter adapters included, no branch boxes required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e27,000 BTU nominal capacity\u003c\/strong\u003e across 2 zones — each room set and run on its own remote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter heat pump\u003c\/strong\u003e — efficient variable-speed cooling and heating from one system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeats down to -13°F\u003c\/strong\u003e outdoor ambient — dependable cold-weather heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR454B refrigerant\u003c\/strong\u003e — next-generation lower-GWP (A2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Wi-Fi control\u003c\/strong\u003e and a remote included with each indoor unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYour System Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor unit (condenser):\u003c\/strong\u003e OS-RMS27-230VO — R454B multi-zone outdoor unit, factory pre-charged for up to 75 ft of line, with line-set diameter adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 1 — Wall Mount:\u003c\/strong\u003e OS-RM18SW-230VI (18,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 — Wall Mount:\u003c\/strong\u003e OS-RM18SW-230VI (18,000 Btu\/h) with remote control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-set kits\u003c\/strong\u003e — choose the copper line-set length per zone at checkout (or supply your own)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications — OS-RMS27-230VO Outdoor Unit (208\/230V)\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e208\/230V \/ 1 Ph \/ 60 Hz (voltage range 187–253V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant\u003c\/td\u003e\n\u003ctd\u003eR454B (A2L) — next-generation, lower-GWP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Charge (factory)\u003c\/td\u003e\n\u003ctd\u003e76.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEER2 (catalog)\u003c\/td\u003e\n\u003ctd\u003e23.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit MCA \/ Max. Fuse\u003c\/td\u003e\n\u003ctd\u003e25 A \/ 40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Airflow\u003c\/td\u003e\n\u003ctd\u003e3,357 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Noise Level\u003c\/td\u003e\n\u003ctd\u003e62 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Connectable Indoor Units\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-charged Line Length\u003c\/td\u003e\n\u003ctd\u003e75 ft (add 0.16 oz\/ft beyond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Line Length — Total \/ Per Indoor\u003c\/td\u003e\n\u003ctd\u003e230 ft \/ 82 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Height Difference (Indoor–Outdoor \/ Between Indoors)\u003c\/td\u003e\n\u003ctd\u003e49 ft \/ 25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range — Cooling \/ Heating\u003c\/td\u003e\n\u003ctd\u003e5 to 125°F \/ -13 to 75°F outdoor ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Dimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e38.38 × 32.88 × 14.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Unit Net \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e160.6 \/ 183.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eOutdoor-unit specifications as printed in the official OLMO catalog and installation manual; combined-system capacity varies with the indoor-unit mix. Line sets are selected per zone by run length.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eThis System’s Zones\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eOS-RM18SW-230VI\u003c\/td\u003e\n\u003ctd\u003e18,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eOS-RM18SW-230VI\u003c\/td\u003e\n\u003ctd\u003e18,000 Btu\/h\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow many rooms can this OLMO Sierra system heat and cool?\u003c\/h3\u003e\u003cp\u003eThis is a 2-zone system: the OS-RMS27-230VO outdoor unit connects to 2 wall-mount indoor units (18,000 BTU, 18,000 BTU), so it conditions 2 separate rooms or areas at once. Each indoor unit has its own remote and runs independently — set a different temperature in every room, or turn off the zones you are not using to save energy.\u003c\/p\u003e\u003ch3\u003eDoes it heat as well as cool?\u003c\/h3\u003e\u003cp\u003eYes. It is an inverter heat pump — it both cools in summer and heats in winter from the same system, with rated heating down to -13°F outdoor ambient, so no separate furnace is needed in most climates.\u003c\/p\u003e\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\u003cp\u003eR454B — a next-generation lower-GWP (A2L) refrigerant. The system ships factory pre-charged; a licensed installer tops off refrigerant based on your line length.\u003c\/p\u003e\u003ch3\u003eIs everything included, or do I need to buy line sets?\u003c\/h3\u003e\u003cp\u003eThe system includes the outdoor condenser, all indoor units, and their remotes; line-set diameter adapters are packed with the outdoor unit. Copper line sets for multi-zone systems are selected by run length per zone — choose the line-set kit length you need for each zone at checkout (or supply your own). Standard factory charge covers up to 75 ft of total line length.\u003c\/p\u003e\u003ch3\u003eCan I install it myself?\u003c\/h3\u003e\u003cp\u003eMulti-zone mini splits require a licensed HVAC professional for the refrigerant connections, electrical, and startup — professional installation is also required to keep the warranty valid. Many customers buy the equipment here and hire a local installer.\u003c\/p\u003e\u003ch3\u003eWhat warranty does it come with?\u003c\/h3\u003e\u003cp\u003eIt is backed by OLMO’s limited manufacturer warranty — \u003cstrong\u003e5-year compressor, 2-year parts, and 1-year remote\u003c\/strong\u003e. Coverage requires installation by a licensed HVAC contractor and product registration at olmo-comfort.com within 60 days of purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\n\u003cp\u003eBacked by OLMO’s \u003cstrong\u003e5-year compressor \/ 2-year parts \/ 1-year remote\u003c\/strong\u003e limited warranty. Installation by a licensed HVAC professional and product registration at olmo-comfort.com within 60 days of purchase are required to keep coverage valid.\u003c\/p\u003e","brand":"OLMO","offers":[{"title":"No Installation Kit \/ No Installation Kit","offer_id":47822918648053,"sku":"OS-RMS27-230VOM18SRWM18SRW-NO\/NO","price":2379.0,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 16FT Installation Kit","offer_id":47822918680821,"sku":"OS-RMS27-230VOM18SRWM18SRW-NO\/16FT","price":2587.8,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 25FT Installation Kit","offer_id":47822918713589,"sku":"OS-RMS27-230VOM18SRWM18SRW-NO\/25FT","price":2632.44,"currency_code":"USD","in_stock":true},{"title":"No Installation Kit \/ 50FT Installation kit","offer_id":47822918746357,"sku":"OS-RMS27-230VOM18SRWM18SRW-NO\/50FT","price":2858.52,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ No Installation Kit","offer_id":47822918779125,"sku":"OS-RMS27-230VOM18SRWM18SRW-16FT\/NO","price":2587.8,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 16FT Installation Kit","offer_id":47822918811893,"sku":"OS-RMS27-230VOM18SRWM18SRW-16FT\/16FT","price":2796.6,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 25FT Installation Kit","offer_id":47822918844661,"sku":"OS-RMS27-230VOM18SRWM18SRW-16FT\/25FT","price":2841.24,"currency_code":"USD","in_stock":true},{"title":"16FT Installation Kit \/ 50FT Installation kit","offer_id":47822918877429,"sku":"OS-RMS27-230VOM18SRWM18SRW-16FT\/50FT","price":3067.32,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ No Installation Kit","offer_id":47822918910197,"sku":"OS-RMS27-230VOM18SRWM18SRW-25FT\/NO","price":2632.44,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 16FT Installation Kit","offer_id":47822918942965,"sku":"OS-RMS27-230VOM18SRWM18SRW-25FT\/16FT","price":2841.24,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 25FT Installation Kit","offer_id":47822918975733,"sku":"OS-RMS27-230VOM18SRWM18SRW-25FT\/25FT","price":2885.88,"currency_code":"USD","in_stock":true},{"title":"25FT Installation Kit \/ 50FT Installation kit","offer_id":47822919008501,"sku":"OS-RMS27-230VOM18SRWM18SRW-25FT\/50FT","price":3111.96,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ No Installation Kit","offer_id":47822919041269,"sku":"OS-RMS27-230VOM18SRWM18SRW-50FT\/NO","price":2858.52,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 16FT Installation Kit","offer_id":47822919074037,"sku":"OS-RMS27-230VOM18SRWM18SRW-50FT\/16FT","price":3067.32,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 25FT Installation Kit","offer_id":47822919106805,"sku":"OS-RMS27-230VOM18SRWM18SRW-50FT\/25FT","price":3111.96,"currency_code":"USD","in_stock":true},{"title":"50FT Installation kit \/ 50FT Installation kit","offer_id":47822919139573,"sku":"OS-RMS27-230VOM18SRWM18SRW-50FT\/50FT","price":3338.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/6914\/5280\/files\/olmo-2-zone-27-000-btu-sierra-ductless-mini-split-ac-wall-mounted-520.webp?v=1773434215"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/6914\/5280\/collections\/27-000-btu-2-25-ton.webp?v=1779093880","url":"https:\/\/minisplitsforless.com\/collections\/27-000-btu-2-25-ton\/12000-btu.oembed","provider":"MiniSplitsforLess","version":"1.0","type":"link"}