Best Cool Only Mini Split Systems for Efficient Home Cooling 2026

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Discover the top-performing cool only mini split systems perfect for efficiently cooling various indoor spaces. These compact ductless air conditioners deliver quiet, energy-efficient performance with easy installation options. Below is a summary table featuring the key details of the selected mini split systems and accessories.

Product Brand BTU Capacity Coverage Area (sq. ft.) Key Features
MRCOOL Easy Pro 12,000 BTU Ductless Mini-Split MRCOOL COMFORT MADE SIMPLE 12,000 BTU Up to 550 DIY installation, quiet operation, smart WiFi control
MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump MRCOOL COMFORT MADE SIMPLE 9,000-12,000 BTU Up to 1200 High SEER2 rating, durable coating, heat pump
MRCOOL 9,000 BTU Ductless Mini Split Air Conditioner Heat Pump MRCOOL COMFORT MADE SIMPLE 9,000 BTU Up to 375 Heating & cooling, HVAC technician installation
DELLA Motto Series 18000 BTU Wifi Enabled Mini Split Della 18,000 BTU Up to 1000 WiFi enabled, Alexa compatible, eco-friendly R32 refrigerant
COSTWAY 12000BTU Mini Split Air Conditioner & Heater COSTWAY 12,000 BTU Up to 750 Inverter AC, 5 modes, quiet operation

MRCOOL Easy Pro 12,000 BTU Ductless Mini-Split System

MRCOOL Easy Pro 12,000 BTU Ductless Mini-Split

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The MRCOOL Easy Pro 12,000 BTU system offers a perfect balance of cooling and heating capabilities with a 12,000 BTU capacity, efficiently regulating temperatures in spaces up to 550 square feet. It stands out for its DIY installation design, minimizing complexity and installation mess which lowers overall costs. This ductless heat pump runs quietly, ensuring minimum noise disruption while maintaining efficient performance. The system includes smart WiFi control allowing users to remotely adjust settings for convenience and energy savings.

MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump Split System

MrCool Easy Pro 12k BTU Ductless Heat Pump

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This ductless mini split boasts an impressive 18.9-20.2 SEER2 rating, delivering efficient cooling and heating with BTU options ranging from 9,000 to 12,000. Suitable for areas from under 500 to 1200 square feet, it’s ideal for sunrooms, garages, or game rooms. The heat pump offers an 11.2 HSPF2 rating for strong year-round comfort. Its Gold Fin condenser coating enhances durability by resisting corrosion and rust, maximizing heat transfer efficiency and system lifespan.

MRCOOL 9,000 BTU Ductless Mini Split Air Conditioner Heat Pump

MRCOOL 9,000 BTU Ductless Mini Split

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The MRCOOL 9,000 BTU Advantage Series system is designed for smaller spaces up to 375 sq. ft., offering reliable heating and cooling capabilities combined in one compact unit. Installation requires a professional HVAC technician for optimal setup. This system is a versatile solution for home, office, or commercial settings, providing a balance of comfort and energy management with ductless inverter technology.

DELLA Motto Series 18000 BTU Wifi Enabled Mini Split

DELLA Motto Series 18000 BTU Mini Split

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This ductless mini split with 18,000 BTU capacity covers up to 1000 sq. ft., offering robust cooling and heating with WiFi connectivity and compatibility with Alexa voice control. Utilizing the eco-friendly R32 refrigerant, it ensures improved air quality indoors and outdoors while providing up to 30% energy savings thanks to advanced DC inverter technology. Features include 4D airflow, multiple fan speeds, and multiple operation modes such as turbo and eco settings.

COSTWAY 12000BTU Mini Split Air Conditioner & Heater

COSTWAY 12000BTU Mini Split Air Conditioner

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The COSTWAY Blast Series offers a 12,000 BTU capacity unit perfect for rooms up to 750 square feet. It features a high-performance inverter compressor and heat pump for efficient cooling and heating. The system includes 5 operating modes (auto, cool, dry, heat, fan) alongside multiple fan speeds and smart functions such as sleep mode, eco mode, iFEEL temperature detection, and turbo boost. Quiet operation and remote control add to user convenience.

DuctlessAire Outdoor Wall Bracket for Mini Split Systems

DuctlessAire Outdoor Wall Mounting Bracket

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While not a cooling system, the DuctlessAire Outdoor Wall Bracket is essential for securely mounting mini split outdoor units ranging from 9,000 to 36,000 BTU. Constructed from powder-coated hardened steel, this bracket supports up to 300 lbs and withstands outdoor elements with corrosion resistance. It features vibration control feet and shock absorbers to reduce noise and protect the unit, ensuring stable and quiet operation.

Buying Guide for Cool Only Mini Split Systems

Choosing the right mini split for cooling only depends on several factors that impact performance, installation, and long-term satisfaction.

Cooling Capacity (BTU)

Select a system with the appropriate BTU rating for your room size. Over or under-sizing can lead to inefficient cooling or excessive energy use. For example, 9,000 to 12,000 BTU units suit rooms from 300 to 600 sq. ft., while larger spaces may require 18,000 BTU or more.

Installation Type

Many mini splits offer DIY installation kits, but some require professional installation for warranties and optimal performance. Consider ease of installation in relation to your expertise or availability of licensed HVAC technicians.

Energy Efficiency

Look for units with high SEER or SEER2 ratings, inverter technology, and energy-saving modes like ECO or sleep mode. Higher efficiency reduces utility costs and environmental impact.

Noise Levels

Quiet operation is crucial, especially for bedrooms or home offices. Mini splits with sound-dampening design, vibration control, or quiet fans can improve comfort without distractions.

Smart Features and Controls

WiFi-enabled units with smart sensors and app control allow for remote adjustments and monitoring. Compatibility with smart home systems and voice assistants enhances convenience.

Durability and Warranty

Outdoor units with corrosion-resistant coatings and reliable mounting brackets ensure long-lasting operation. Review product warranties and customer support services for peace of mind.

Additional Considerations

  • Refrigerant Type: Newer refrigerants like R32 are environmentally friendlier.
  • Heating Capability: Some mini splits include heat pumps for year-round climate control.
  • Multi-Zone Systems: Ideal if you want individual control over different rooms.

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