10 Best Mini Split Air Conditioners 2025 in the United States

The YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System is a versatile and energy-efficient option for those needing to cool or heat spaces up to 750 square feet. With a high SEER rating of 20, it promises significant energy savings. Its compatibility with Alexa and WiFi-enabled capabilities allow for convenient remote control and integration into smart home systems.

The unit operates quietly, with noise levels below 41 decibels, making it suitable for bedrooms and other noise-sensitive areas. This mini-split system offers five modes, including a unique 'HEALTH' mode for air purification, which is beneficial for users with allergies or respiratory concerns. It performs well in a wide range of temperatures, from 5°F to 118°F, ensuring year-round comfort.

Professional installation is required, which may add to the initial setup cost. Additionally, the system comes with a comprehensive installation kit, but the fact that it ships in two packages could be inconvenient if they arrive separately. Despite these minor drawbacks, the YITAHOME 12000 BTU unit, backed by a 5-year warranty, is a solid choice for those seeking an efficient, quiet, and smart air conditioning solution.

The COSTWAY 12000 BTU Mini Split Air Conditioner & Heater is a solid choice for cooling and heating rooms up to about 750 square feet. Its 1-ton capacity with a high SEER2 rating of 20 means it uses energy efficiently, helping to keep electricity bills lower than many older models. This unit is a ductless mini-split, designed for wall mounting, and supports single-zone use, which suits individual rooms or small open spaces well.

A key strength lies in its inverter technology and heat pump, allowing for both cooling in summer and heating in winter, with smooth power adjustments that reduce wear and save energy. It offers five modes including auto, cool, dry, heat, and fan, plus useful features like sleep and ECO modes for comfort and efficiency. The included remote control and timer make operation easy and convenient. Noise is fairly low at 51 dB, which is reasonable for this type but may still be noticeable in very quiet rooms. Installation isn’t DIY-friendly; it requires a licensed HVAC professional due to the pre-charged refrigerant and technical setup, which might increase upfront costs.

Maintenance is simplified with a self-cleaning function and washable filters, helping keep the air fresh and the system running smoothly. Additional benefits include an environmentally friendlier R32 refrigerant and solid warranty coverage—5 years for parts and 8 years for the compressor—giving peace of mind. This COSTWAY mini split suits homeowners wanting efficient, year-round climate control in a moderate-sized space, balancing energy efficiency, quiet operation, and versatile settings, though professional installation and moderate noise levels are factors to consider before purchase.

The Senville LETO Series Mini Split Air Conditioner Heat Pump is a versatile, all-season solution with a 9000 BTU capacity. Its high SEER rating of 21.5 makes it energy-efficient, though not Energy Star compliant. This unit works well for spaces up to 400 square feet and operates quietly at 25 dB, making it suitable for bedrooms and living areas.

It also includes features like voice control via Alexa, a dehumidifier, and a turbo function, enhancing its usability. The system is designed for professional installation, which could be a drawback for DIY enthusiasts. Additionally, it comes with a comprehensive installation kit and a 5-year warranty on parts and the compressor, providing peace of mind.

However, labor costs are not covered, which is something to consider. This mini split is ideal for both home and commercial spaces like stores and eateries, thanks to its stylish design and reliable performance.