Wall-MountWall-Mounted Ductless Mini Split Systems (AC + Heat Pump)
The most popular choice for versatile ductless comfort. Mounts high on the wall to save floor space while delivering efficient heating & cooling. If you're searching for a wall ac unit, ac wall unit, wall mounted ac unit, or a heater air conditioner combo wall unit, this collection covers high-efficiency ductless options. Filter by BTU (6k–60k) and shop trusted systems from Cooper & Hunter, OLMO & Bravo.
Upgrade your comfort with our premium collection of wall-mounted ductless mini split systems. These high-efficiency units are a modern alternative to a traditional wall unit air conditioner or wall air conditioning unit, delivering whisper-quiet heating and cooling without bulky ductwork. If you need an air conditioner mounted on wall or an air conditioner wall mounted for residential or commercial use, our lineup ranges from 6,000 to 60,000 BTU for precise climate control.
🏡 Residential & Commercial
❄️ Heating & Cooling
🌱 High SEER Efficiency
📱 Wi-Fi Smart Control
🔇 Ultra-Quiet Mode
Why choose wall-mounted mini splits?
Wall-mounted indoor units are the gold standard for ductless applications. They offer the perfect balance of cost-effectiveness, ease of installation, and advanced features. Whether you are replacing an older wall ac unit or upgrading to a modern heater air conditioner combo wall unit (heat pump), these systems provide targeted comfort that central HVAC systems simply cannot match.
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Energy Saving Inverter Technology Unlike traditional "on/off" ACs, our inverter compressors adjust speed dynamically, reducing energy consumption by up to 30% and maintaining stable temperatures.
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Improved Indoor Air Quality Equipped with washable multi-stage filtration, these units trap dust, allergens, and particulates, ensuring the air you breathe is as clean as it is comfortable.
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Zoned Comfort Control Create individual climate zones. Turn off units in unoccupied rooms to save money, or set different temperatures for the living room and bedroom to suit everyone's preference.
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Heat Pump Versatility Most of our models are reversible heat pumps, capable of providing powerful cooling in summer and efficient heating in winter, even in sub-freezing temperatures.
Ensure the perfect fit for your space by using our Size-My-Room tool at minisplitsforless.com.
BTU sizing snapshot (quick guide)
Select the right capacity for your square footage to ensure peak efficiency.
Capacity (BTU)
Approx. Coverage
Ideal Application
6,000 BTU
150–250 sq. ft.
Tiny rooms, closets
9,000 BTU
350–400 sq. ft.
Small bedrooms, offices
12,000 BTU
400–550 sq. ft.
Master bedrooms, studios
18,000 BTU
550–1,000 sq. ft.
Living rooms, large bonus rooms
19,000 BTU
~1,000 sq. ft.
Specialized zone applications
24,000 BTU
1,000–1,500 sq. ft.
Open floor plans, basements
28,000 BTU
~1,500 sq. ft.
Large open living/dining areas
30,000 BTU
1,500–1,650 sq. ft.
Expansive open zones
36,000 BTU
1,650–2,000 sq. ft.
Small homes, whole floors
42,000 BTU
2,000+ sq. ft.
Large residential zones
48,000 BTU
Very Large Areas
Commercial spaces, workshops
55,000 BTU
Commercial
Warehouses, large offices
60,000 BTU
Max Capacity
Industrial/Large Commercial
Note: Sizing varies based on insulation, ceiling height (e.g., vaulted ceilings), and local climate (hot/cold extremes). Always consult a pro.
🎯 Looking for Great Deals on Wall-Mounted Mini-Splits?
Browse our SALE Collection for discounted ductless wall-mounted systems, mini splits, and heat pumps from leading brands. Whether you call it a wall mounted ac unit, ac wall unit, or wall unit air conditioner, you can secure high-efficiency cooling & heating at seasonal prices.
A wall-mounted mini split consists of a slim indoor air handler and an outdoor condenser connected by copper line sets. It delivers both heating and cooling without ductwork, using inverter-driven technology for quiet, energy-efficient operation.
📏 Which size mini split do I need? ›
Capacity depends on room size. Common sizes include 9,000 BTU (small rooms), 12,000 BTU (master bedrooms), and 24,000 BTU (large living areas). Refer to our sizing table above for a full list ranging from 6k to 60k BTU, and use our Size-My-Room tool for exact calculations.
🔥 Do wall-mounted units provide heat? ›
Yes! Most modern wall-mounted mini splits are heat pumps, which means they work as a heater air conditioner combo wall unit. They can reverse operation to extract heat from the outside air (even in freezing temperatures) and bring it indoors, often more efficiently than electric baseboard heaters.
🧹 What maintenance is required? ›
Maintenance is simple but vital. Clean the reusable indoor air filters every 2–4 weeks to maintain airflow and air quality. We also recommend an annual professional check-up to clean the internal coils and check refrigerant levels.
🔧 Can I install a wall-mounted mini split myself? ›
Most standard systems require a licensed HVAC professional to vacuum the lines and release the refrigerant. Professional installation ensures proper performance and protects your manufacturer warranty.
🧭 Is a wall ac unit the same as a wall-mounted mini split? ›
In many searches, yes—people use terms like wall ac unit, wall air conditioning unit, ac wall unit, or air conditioner mounted on wall to describe a wall-mounted cooling system. A ductless mini split is a more advanced version with inverter technology, better efficiency, quieter operation, and (in most cases) heat pump functionality for year-round comfort.
★ Which brands offer top wall-mounted systems? ›
We stock reliable, high-performance brands including the Cooper & Hunter Sophia/Olivia Series, Olmo Alpic/Sierra Series, and the Bravo Series. These units feature inverter technology, Wi-Fi capabilities, and robust warranties.
Cooper & Hunter MIA 6,000 BTU Single Zone Wall Mount, 115V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $741.00 /
Cooper & Hunter Olivia Hyper Heat 6,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,378.30 /
9,000 BTU 230V Ductless Mini Split AC Wall Mounted OLMO Alpic Series Heat PumpFree ShippingFrom $421.57 /
9,000 BTU 115V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat PumpFree Shipping
9,000 BTU 230V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat PumpFree Shipping
Cooper & Hunter MIA 9,000 BTU Single Zone Wall Mount, 115V, R410A - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $495.30 /
Cooper & Hunter Olivia Midnight 9,000 BTU Single Zone Wall Mount, 115V, R410A - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $501.00 /
Cooper & Hunter MIA 9,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $750.10 /
Cooper & Hunter Olivia Hyper Heat 9,000 BTU Single Zone Wall Mount, 230V, R410A - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $973.83 /
Cooper & Hunter Olivia Midnight 9,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,114.00 /
12000 BTU 115V Mini Split AC Wall Mounted Bravo Series Heat PumpFree ShippingFrom $627.84 /
12000 BTU 230V Mini Split AC Wall Mounted Bravo Series Heat PumpFree ShippingFrom $627.84 /
12,000 BTU 230V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat PumpFree Shipping
12,000 BTU 115V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat PumpFree Shipping
Cooper & Hunter MIA 12,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $804.70 /
Cooper & Hunter MIA 12,000 BTU Single Zone Wall Mount, 115V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $804.70 /
Cooper & Hunter Olivia 12,000 BTU Single Zone Wall Mount, 230V, R410A - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $950.95 /
Cooper & Hunter Olivia Midnight 12,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,159.00 /
Cooper & Hunter Olivia Midnight 12,000 BTU Single Zone Wall Mount, 115V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,176.00 /
Cooper & Hunter Olivia 12,000 BTU Single Zone Wall Mount, 115V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,336.00 /
Cooper & Hunter Olivia Hyper Heat 12,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,546.16 /
18000 BTU 230V Mini Split AC Wall Mounted Bravo Series Heat PumpFree ShippingFrom $803.52 /
2 zone 18,000 BTU BRAVO Ductless Mini Split AC Wall Mounted 9k+9kFree ShippingFrom $1,404.00 /
2 zone 18,000 BTU BRAVO Ductless Mini Split AC Wall Mounted 9k+12kFree ShippingFrom $1,419.84 /
2 zone 18,000 BTU BRAVO Ductless Mini Split AC Wall Mounted 12k+12kFree ShippingFrom $1,435.68 /
18,000 BTU 230V Ductless Mini Split AC Wall Mounted OLMO Sierra Series Heat PumpFree Shipping
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+9kFree Shipping
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 9k+12kFree Shipping
2 Zone 18,000 BTU OLMO Sierra Ductless Mini Split AC Wall Mounted 12k+12kFree Shipping
Cooper & Hunter MIA 18,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,024.40 /
Cooper & Hunter Olivia Midnight 18,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,644.00 /
Cooper & Hunter 2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 6k+6kFree Shipping$1,724.00 /
Cooper & Hunter Olivia 18,000 BTU Single Zone Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $1,795.68 /
Cooper & Hunter 2 Zone 18,000 BTU OLIVIA Ductless Mini Split AC Wall Mounted 9k+9kFree Shipping$1,842.80 /
Cooper & Hunter Olivia 6,000 BTU Single Zone One-Way Ceiling Cassette, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree ShippingFrom $2,415.01 /