3 Zone 36,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 12k+12k+18k | No Kit No Kit No Kit

OLMO5-Yr Warranty

OS-RMS36-230VOM18SRWM12SRWM12SRW-NO/NO/NO
Product specifications
Brand Olmo
Voltage 230V
SEER 21
WiFi Included
Zone Three Zone
Type Wall Mount
Freon R454B
Compressor Inverter
$3,082.50 $2,928.37 Save 5%
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18,000 Installation Kit: No Installation Kit
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Sierra Wall Mount

OLMO's Multi-Zone Sierra Series is a versatile HVAC solution that provides efficient heating and cooling for multiple rooms, featuring advanced inverter technology for precise temperature control and significant energy savings. Using eco-friendly R410A refrigerant, the system delivers reliable performance with minimal environmental impact. Ideal for both residential and commercial applications, the Sierra Series combines quiet operation, flexible installation, and user-friendly controls, making it a perfect choice for maintaining year-round comfort across multiple zones with one efficient system.

White multi-zone sierra air conditioner with shield logo and checkmark.

Warranty and Tech Support Info

By selecting OLMO products for your home or business, you’ll receive expert technical support from heating and cooling specialist, including access to product manuals, troubleshooting guides and warranty information.

The manufacturer provides a Limited Warranty of 5 years for the compressor and 2 years for parts.

Warranty terms
White wall-mounted air conditioner with sleek design and modern aesthetic.

Main Features

OLMO's Multi-Zone Sierra Series delivers efficient multi-room comfort with advanced inverter technology for precise temperature control. Its eco-friendly R454B refrigerant reduces environmental impact, while quiet operation ensures minimal disruption. With flexible installation options, sleek design, and reliable heating and cooling, it’s the perfect solution for modern multi-zone climate control needs.

All Accessories Included

With your purchase, you receive a comprehensive MiniSplit system. MiniSplits4Less ensures you have everything needed for a seamless installation. Your package includes an Indoor Unit, Outdoor Unit, Remote Control, Manuals, optional LineSet, and a Smartkit (WIFI). We've meticulously thought of every detail to provide you with all the essentials for your installation.

Technical Specifications

Indoor Models OS-RM09SW-230VI OS-RM12SW-230VI OS-RM18SW-230VI OS-RM24SW-230VI
Power Supply (V-Ph-Hz) 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60
Cooling Capacity (Btu/h) 9000 12000 18000 23400
Heating Rated Capacity (Btu/h) 9500 13000 19000 26000
Output Power (W) 25 25 35 35
Rated Current (A) 0.11 0.11 0.17 0.17
Indoor Air Flow (CFM) 341 365 647 706
Indoor Noise Level (Hi/Mi/Lo) (dB(A)) 39/35/30 39/35/30 45/41/37 47/45/42
Net Dimensions (WxHxD) (in) 32.02x10.75x8.13 37.38x10.75x8.13 48x12.63x9.25 48x12.63x9.25
Packing (WxHxD) (in) 39.38x13.19x6.38 39.38x13.19x6.38 51.75x15.44x12.50 51.75x15.44x12.50
Net/Gross Weight (lbs) 19.84 / 24.25 19.84 / 24.25 31.97 / 37.48 31.97 / 37.48
Refrigerant Piping (Liquid Side / Gas Side) (in) 1/4" / 3/8" 1/4" / 3/8" 1/4" / 1/2" 3/8" / 5/8"
Outdoor Models OS-RMS18-230VO OS-RMS24-230VO OS-RMS36-230VO OS-RMS42-230VO
Power Supply (V-Ph-Hz) 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60 208/230V-1Ph-60
Cooling Capacity (Btu/h) 18000 27000 36000 42000
EER2 13.33 12.85 12.85 12.0
SEER2 22.0 23.0 22.0 22.0
Heating Rated Capacity (Btu/h) 18000 27000 36000 36000
HSPF2 10.0 10.0 10.0 9.5
COP2 (W/W) 3.82 3.60 3.91 3.60
Max Fuse (A) 30 40 50 60
Outdoor Air Flow (Hi) (CFM) 1850 3357 3357 3357
Outdoor Side Noise Level (dB(A)) 55 62 64 64
Dimensions (WxHxD) (in) 33.88x26.38x12.25 38.38x32.88x14.12 38.38x32.88x14.12 38.38x32.88x14.12
Outdoor Unit Packing (WxHxD) (in) 39x28.75x17.75 43.75x37.75x18.12 43.75x37.75x18.12 43.75x37.75x18.12
Net/Gross Weight (lbs) 101.4/112.4 160.6/183.2 169.8/191.8 172/194
Refrigerant Type/Quantity (oz) R454B/51.15 R454B/76.2 R454B/105.8 R454B/105.8
Refrigerant Piping (Liquid Side / Gas Side) (in) 1/4" / 3/8" 1/4" / 3/8" 1/4" / 3/8" 1/4" / 3/8"
Max Refrigerant Pipe Length Each/Total (ft) 82/164 82/230 82/230 82/262
Ambient Outdoor (Cooling) (°F) 5~125 5~125 5~125 5~125
Ambient Outdoor (Heating) (°F) -13~75 -13~75 -13~75 4~75

Multiple Control Methods

Olmo’s Multi-Zone Sierra Series can be managed with a user-friendly remote control and the. This options offer precise temperature adjustments and optimal climate control for ultimate convenience.

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Frequently Asked Questions

How many rooms can the Olmo 3 Zone 36,000 BTU mini split cool?

The Olmo 3 Zone 36,000 BTU mini split can effectively cool up to three rooms simultaneously, providing efficient temperature control across a combined area of up to 1,500 sq ft. This multi-zone system allows for tailored comfort in each space.

Can I mix different BTU sizes with the Olmo mini split system?

Yes, you can mix different BTU sizes with the Olmo mini split system, as long as the total does not exceed the 36,000 BTU capacity. For example, you can pair a 12,000 BTU unit with an 18,000 BTU unit to meet your specific cooling needs.

Do all zones in the Olmo mini split run simultaneously?

Yes, the Olmo 3 Zone mini split allows all zones to run simultaneously, providing customized comfort to each area. This feature is particularly advantageous for homes with varying temperature preferences in different rooms.

Is the Olmo mini split system energy efficient compared to multiple single-zone units?

The Olmo mini split boasts a high SEER rating of 21.0, making it significantly more energy efficient than using multiple single-zone units. This efficiency translates to lower energy costs and a reduced environmental impact.

What warranty does the Olmo mini split offer?

The Olmo mini split system comes with a 5-year parts and compressor warranty, ensuring you have reliable coverage for your investment. This warranty provides peace of mind for both performance and durability.

Does the Olmo mini split come pre-charged with refrigerant?

Yes, the Olmo mini split is pre-charged with R454B refrigerant, accommodating up to 25 ft of line set for installation. This feature allows for a quicker and easier setup process, reducing installation time.