Best Half Split Air Conditioners for Efficient Cooling and Heating 2025

This post contains affiliate links. When you buy through links, we may receive a small percentage of the sale.

Finding the best half split air conditioner that perfectly balances cooling and heating for your home’s comfort is essential. These ductless mini split systems offer excellent energy efficiency, quiet operation, and versatile temperature control ideal for spaces ranging from 400 to 750 square feet. Below is a summary of top-rated mini split air conditioners combining cooling power, inverter technology, and smart features to enhance your indoor environment year-round.

Product BTU Capacity Coverage Area Energy Efficiency (SEER Rating) Heating Type Key Feature
Confortotal 12000 BTU Mini Split 12,000 BTU Up to 550 sq.ft Not specified Heat Pump WiFi & Alexa Compatible
COSTWAY 18k Dual Zone Mini Split 9000 + 12000 BTU Multi-zone, rooms 22 SEER2 Heat Pump WiFi Enabled, Multi-zone
ROVSUN 9000 BTU Mini Split 9,000 BTU Up to 400 sq.ft 19 SEER2 Heat Pump Quiet Operation
Manastin 12000 BTU Mini Split 12,000 BTU Up to 750 sq.ft 17 SEER2 Inverter Heat Pump Fast Cooling/Heating
COSTWAY 12000BTU Mini Split (Blast Series) 12,000 BTU Up to 750 sq.ft 20 SEER2 Heat Pump Multiple Modes with Turbo

Confortotal 12000 BTU Mini Split Air Conditioner And Heat Pump

Confortotal 12000 BTU Mini Split Air Conditioner

Check Price on Amazon

The Confortotal 12000 BTU Mini Split delivers efficient cooling and heating with its 1-ton capacity suitable for spaces up to 550 square feet. This ductless unit comes with modern WiFi compatibility, allowing control via Alexa and other smart devices. Its heat pump function offers year-round climate control, while its compact design enhances installation flexibility. This model focuses on convenience and connectivity without compromising on cooling power.

COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner

COSTWAY 18k Dual 2 Zone Mini Split AC

Check Price on Amazon

This COSTWAY mini split system features dual zones with 9000 BTU and 12000 BTU capacities, ideal for independent temperature settings across two rooms. It boasts an impressive 22 SEER2 rating for outstanding energy efficiency and uses eco-friendly R32 refrigerant. The heat pump function operates efficiently in extreme climates ranging from -13℉ to 125℉. Multiple modes and fan speeds along with WiFi support provide versatile control and comfort.

ROVSUN 9000 BTU Wifi Enabled Mini Split Air Conditioner & Heater

ROVSUN 9000 BTU Mini Split

Check Price on Amazon

Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!

The ROVSUN 9000 BTU mini split is perfect for smaller spaces up to 400 sq.ft, utilizing an advanced inverter to deliver quiet and energy-efficient operation at a 19 SEER2 rating. It supports wide temperature ranges (61°F-88°F) with both heating and cooling functions. Its ultra-quiet design running at just 28dB creates a peaceful indoor environment, suitable for homes and offices.

Manastin 12000BTU Mini Split Air Conditioner & Heater

Manastin 12000BTU Mini Split Air Conditioner

Check Price on Amazon

The Manastin 12000BTU mini split prioritizes rapid temperature adjustments, cooling rooms up to 750 sq.ft. in as little as 30 seconds and heating in 60 seconds. It features a 17 SEER2 inverter system that enhances energy savings with R32 refrigerant for reduced environmental impact. Five operational modes and four fan speeds offer customizable comfort, enhanced by features such as Turbo and Sleep modes.

COSTWAY 12000BTU Mini Split Air Conditioner & Heater (Blast Series)

COSTWAY 12000BTU Mini Split Blast Series

Check Price on Amazon

The COSTWAY Blast Series unit is an AHRI certified 12000 BTU air conditioner with 20 SEER2 inverter technology for efficient year-round comfort. It includes five working modes and four fan speeds, including ECO and Turbo for energy saving or rapid temperature changes. Quiet operation and a smart remote control make it a user-friendly choice for medium-sized rooms up to 750 sq.ft.

Buying Guide For Half Split Air Conditioners

When choosing a half split air conditioner, consider the following key factors to ensure you select a system that meets your needs:

Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!

Cooling And Heating Capacity

  • BTU Rating: Match the BTU capacity to the size of the room; typically, 9000-12000 BTU suits rooms from 400 to 750 square feet.
  • Heat Pump Functionality: Opt for models with reliable heat pumps for energy-efficient heating during colder months.

Energy Efficiency

  • SEER Rating: Higher SEER (Seasonal Energy Efficiency Ratio) ratings indicate better energy savings; look for units rated 17 SEER2 or above for cost-effective operation.
  • Eco-Friendly Refrigerants: Units using R32 refrigerant have lower global warming potential and are more environmentally friendly.

Installation & Size

  • Compact, Wall-Mounted Units: Preferred for space-saving; ensure professional installation availability.
  • Included Installation Kit: Some brands provide a full installation kit, simplifying the setup process.

Control Features

  • Smart Connectivity: WiFi-compatible units offer remote control via smartphone apps or voice assistants like Alexa.
  • Multiple Modes: Modes such as auto, cool, heat, dry, fan, and sleep provide flexible comfort settings.
  • Timer & Fan Speeds: Adjustable timers and fan speeds enhance usability and energy efficiency.

Noise Level

  • Quiet Operation: Look for units with noise levels below 30 dB for undisturbed living spaces, especially bedrooms.

Comparing these aspects will help you pick a half split air conditioner that balances performance, efficiency, and convenience while delivering reliable heating and cooling tailored to your living space.

Leave a Comment