Best Mini Split AC Systems for Cooling 800 Sq Ft Homes Efficiently 2025

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Finding the right mini split air conditioner to cool an 800 square foot space can make all the difference in comfort and energy savings. Below is a detailed comparison of top-rated mini split AC units designed specifically for this coverage area. Each system offers various features such as multi-zone cooling, WiFi connectivity, inverter technology, and heating functions ideal for year-round use.

Product BTU Capacity Coverage Area Key Features
DELLA 18K BTU ODU 2 Dual Zone Mini Split 18,000 BTU (2x 9,000 BTU) Up to 800 Sq. Ft (2 zones of 400 Sq. Ft each) Dual zone, Alexa compatible, energy-efficient inverter, heat pump
YITAHOME 22 SEER2 18K BTU 2 Zone Mini Split AC 18,000 BTU (2x 9,000 BTU) Up to 800 Sq. Ft WiFi & Alexa enabled, five modes, silent operation, inverter technology
DELLA Vario Series 18000 BTU Wifi Mini Split 18,000 BTU Up to 1000 Sq. Ft ETL & AHRI certified, advanced inverter, multiple smart modes
DELLA Motto Series 18000 BTU Wifi Enabled Mini Split 18,000 BTU Up to 1000 Sq. Ft R32 refrigerant, multiple smart functions, heat pump, Alexa compatible
COSTWAY 18000BTU Mini Split Air Conditioner & Heater 18,000 BTU Up to 1250 Sq. Ft Energy efficient inverter, 5 modes, quiet operation, full install kit

DELLA 18K BTU ODU 2 Dual Zone Mini Split Air Conditioner

DELLA 18K BTU ODU 2 Dual Zone Mini Split Air Conditioner

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The DELLA 18K BTU Dual Zone Mini Split is designed for efficient climate control in up to 800 square feet, split between two indoor units each covering about 400 sq. ft. It features 19 SEER2 inverter technology and a heat pump capable of heating in temperatures as low as -4℉ (-20℃). This ductless system supports individual temperature control in multiple rooms, optimizing comfort for distinct spaces. It includes two 16-foot copper piping kits and installation components ready for setup.

YITAHOME 22 SEER2 18K BTU 2 Zone Mini Split AC

YITAHOME 22 SEER2 18K BTU 2 Zone Mini Split AC

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This dual zone YITAHOME mini split system offers energy-efficient cooling and heating with 25% power savings due to its inverter compressor and heat pump. It’s suitable for 800 sq. ft. spaces such as living rooms and basements. The unit supports five operating modes including cool, heat, auto, dry, and fan, providing flexibility in climate management. Its WiFi connectivity allows remote operation and it works seamlessly with Alexa. Additionally, it operates quietly, ensuring a peaceful environment.

DELLA Vario Series 18000 BTU Wifi Mini Split AC

DELLA Vario Series 18000 BTU Wifi Mini Split AC

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The DELLA Vario Series 18000 BTU AC covers up to 1000 sq. ft., with a robust heat pump enabling efficient cooling and heating down to -4℉ (-20℃). Its 19 SEER2 inverter plus system maximizes energy efficiency and reduces power consumption by up to 30%. Smart features include 4D air flow, sleep mode, timer, and multiple fan speeds to tailor air distribution and comfort. The full installation kit is included for convenient setup.

DELLA Motto Series 18000 BTU Wifi Enabled Mini Split

DELLA Motto Series 18000 BTU Wifi Enabled Mini Split

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The Motto Series Mini Split integrates R32 refrigerant, which is more environmentally friendly compared to older formats. It cools and heats effectively in spaces up to 1000 sq. ft. This inverter system is ETL and AHRI certified, featuring multiple smart functions such as sleep mode, eco energy saving, and 4D airflow control for complete comfort. The unit also supports WiFi and Alexa for remote control flexibility.

COSTWAY 18000BTU Mini Split Air Conditioner & Heater

COSTWAY 18000BTU Mini Split Air Conditioner & Heater

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The COSTWAY 18000BTU Mini Split offers cooling and heating for areas up to 1250 sq. ft., providing more coverage than typical 800 sq. ft. systems. Its innovative inverter technology reduces power consumption by avoiding frequent compressor cycling. The unit comes with five working modes and multiple fan speeds to customize comfort in any season. Quiet operation, remote control, and a full installation kit make it an accessible solution for home or small commercial use.

Buying Guide for Mini Split AC Units for 800 Sq Ft

Choosing the perfect mini split AC for an 800 sq ft area involves considering several factors beyond just cooling capacity. Below are key points to review:

  • BTU Capacity and Coverage: Select a unit with BTU ratings suited for 800 sq ft to ensure efficient cooling without excessive energy use. Dual zone units can cover separate rooms independently.
  • Energy Efficiency: Look for high SEER or SEER2 ratings and inverter technology, which translate to significant power savings and quieter operation.
  • Heating Capability: Many mini splits include heat pumps to offer both cooling and heating, ideal for variable climates and year-round comfort.
  • Smart Features: WiFi compatibility and voice assistant integration (Alexa, Google Assistant) enhance control convenience from anywhere.
  • Installation Kits Included: Pre-charged systems with included piping and accessories simplify setup and reduce installation costs.
  • Noise Levels: Low decibel ratings improve comfort in bedrooms and living areas.
  • Refrigerant Type: Newer refrigerants like R32 are more environmentally friendly, so consider models using these.
  • Multi-zone vs Single-zone: For homes with multiple rooms, dual zone units provide tailored comfort by independently controlling temperatures in different spaces.

By evaluating these factors carefully, you can select a mini split AC that not only performs efficiently in your 800 sq ft area but also offers convenience, quiet operation, and energy savings throughout the year.

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