1-ZoneSingle Zone Mini Split Systems (AC + Heat Pump)
Best choice when you want comfort in one dedicated room—bedroom, office, garage, studio—without ductwork.
Filter by BTU and SEER2 and shop trusted options from Cooper & Hunter, OLMO & BRAVO.
Shop our curated collection of single zone mini split air conditioners & heat pumps— ideal when you want reliable, efficient comfort for one dedicated space. Choose premium options from trusted brands like Cooper & Hunter, OLMO, and BRAVO.
🛏️ Bedroom comfort
🏢 Home office productivity
🔧 Garage / workshop
🏡 ADU / studio
🧱 Bonus room
Why homeowners love single-zone systems
If you're searching what is a single zone mini split system or want the best single zone ductless heat pumps, this collection is designed for fast, clean comfort upgrades. Single-zone setups are often chosen for renovations, room additions, and spaces where ductwork isn’t practical.
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Right-sized comfort for one room Perfect for a single zone mini split for bedroom, office, or garage—no energy wasted on unused zones.
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High efficiency with inverter technology Many models deliver excellent SEER2 performance for lower utility bills and smoother temperature control.
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Quiet, sleek, and easy to live with Ductless design keeps noise low and helps maintain a clean interior look.
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Installer-recommended for best results We don’t focus on DIY quick-connect kits—our systems are best installed by licensed & certified HVAC pros to ensure safety, peak efficiency, and warranty-safe setup.
Need help picking capacity? Use our HVAC Load Calculator to estimate the best BTU size for your space.
BTU sizing snapshot (quick guide)
Room size
Typical BTU range
Best for
150–250 sq ft
6,000 BTU
Tiny offices, pantries, closets
250–400 sq ft
9,000 BTU
Bedrooms, home offices
400–600 sq ft
12,000 BTU
Studios, living rooms
600–1,000 sq ft
18,000 BTU
Master suites, garages
1,000–1,400 sq ft
24,000 BTU
Large living areas, basements
1,400–1,600 sq ft
30,000 BTU
Open floor plans, retail shops
1,600–2,000 sq ft
36,000 BTU
Whole floors, light commercial
2,000–2,500 sq ft
48,000 BTU
Warehouses, large offices
2,500–3,300+ sq ft
60,000 BTU
Large commercial spaces, halls
Tip: BTU needs vary with ceiling height, insulation, sun exposure, and climate. For the most accurate results, verify sizing with our calculator and your project requirements.
🎯 Looking for a great deal right now?
Browse our SALE Collection for discounted ductless mini splits, heat pumps, and single-zone systems. Limited-time promos change often—grab your best value while it's available.
A single-zone mini split system connects one outdoor unit to one indoor air handler to heat and cool one dedicated room—like a bedroom, office, garage, or studio—without ductwork.
✓ What are the benefits of single-zone mini splits? ›
Single-zone systems are popular for lower upfront cost, fast installation, high efficiency (SEER2), and quiet operation. They deliver comfort exactly where you need it—without heating/cooling unused areas.
$ How much does a single-zone system cost with installation? ›
Installed pricing depends on BTU size, electrical work, line-set routing, and local labor rates. For the most accurate number, we recommend a quick quote from a licensed HVAC installer based on your room size and install conditions.
📏 How to size a single zone mini split for a room? ›
A quick rule of thumb is ~20–25 BTU per sq ft for average conditions. Example: ~400 sq ft often lands around 9,000–12,000 BTU. For best accuracy, use our HVAC Load Calculator.
★ Which are the best single zone ductless heat pumps? ›
Many top-rated models feature inverter heat pump tech, excellent SEER2 efficiency, and ultra-quiet operation. Brands like Cooper & Hunter, OLMO, and BRAVO are popular picks for dependable value and comfort.
🛠 Do I need a certified installer for a single-zone mini split? ›
For best performance and warranty-safe setup, a licensed and certified HVAC installer is recommended. Correct sizing, electrical work, line-set routing, and commissioning strongly affect real-world comfort and efficiency.
⚡ Which is the most energy efficient single zone air conditioner? ›
The most efficient options typically use inverter technology and deliver high SEER2 ratings. Filtering by efficiency is a great way to prioritize lower long-term operating costs.
🏠 Where should I use a single zone mini split? ›
Single-zone systems are ideal for bedrooms, home offices, garages, ADUs, and any room that needs independent comfort control.
⚙ How do I troubleshoot common single zone mini split problems? ›
Start with the basics: clean filters, confirm airflow is unobstructed, and check remote settings. If performance is still off, a professional inspection can help identify refrigerant, sensor, or electrical issues.
⇄ Single-zone vs multi-zone mini split: which should I choose? ›
Choose a single-zone system when you want heating and cooling for one dedicated room (bedroom, garage, office, studio). Choose a multi-zone system when you need comfort in two or more rooms and want one outdoor unit serving multiple indoor units. If you only need one space conditioned, single-zone is typically simpler, faster to install, and often the best value.
⚡ What SEER2 rating should I look for in 2026? ›
Higher SEER2 generally means lower cooling energy use, but the “best” rating depends on your climate, usage, and budget. As a practical approach, compare models within your BTU size and prioritize a strong efficiency level you can afford—then make sure the system is properly sized and installed, since real-world efficiency depends heavily on those factors.
🏠 Wall-mounted vs ceiling cassette for a single-zone room—what’s better? ›
Wall-mounted indoor units are the most common choice for single-zone comfort because they’re simple, cost-effective, and easy to service. A ceiling cassette is a great pick when you want a cleaner look or more even airflow, but it usually requires ceiling space and careful condensate drainage planning. Choose based on room layout, aesthetics, and installation constraints.
Tip: For fastest results, filter by BTU, SEER2, and indoor unit style.↑ Back to top
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