10 Best Mini Split Systems 2025 in the United States

The Senville LETO Series Mini Split is a powerful 2.5-ton system with 30,000 BTU capacity, making it suitable for cooling or heating spaces around 1,400 square feet. Its SEER rating of 19 means it runs efficiently, helping save on energy bills compared to older models. This unit is designed to handle multiple needs—it cools, heats (working down to about 5°F), dehumidifies, and even features a turbo mode for quick temperature changes.

It’s wall-mounted and operates quietly at 34 decibels, which is about the sound level of a whisper, so it won't disturb your peace at home or in a small business setting. One of its standout features is Alexa compatibility, allowing you to control the system using voice commands or remotely through an app, adding convenience to daily use. The package includes everything needed for installation except labor, but professional installation is highly recommended due to the technical nature of the setup. The product comes with a solid 5-year warranty on the compressor and parts, reflecting confidence in its durability.

The unit is designed as a single-zone system, so it may not be ideal if you want to manage temperatures in multiple rooms separately. Its heating function performs best in milder cold rather than extreme winter conditions. This mini split is an excellent fit for those seeking an energy-efficient, quiet, and smart-controlled heating and cooling solution for medium-sized spaces, particularly if you prefer a single-zone setup.

The MRCOOL 18000 BTU Easy Pro Series mini split is a solid choice if you need both cooling and heating for a space up to about 800 square feet, such as a medium-sized room in your home or office. It offers a practical combination of heating and cooling, making it useful all year round. The unit operates at a moderate noise level of 43 decibels, which is fairly quiet and shouldn't be disruptive in most indoor environments. This wall-mounted system is ductless, which means installation is typically less invasive and the unit saves space compared to traditional HVAC setups.

It includes helpful features like a timer and a refrigerant leak detection system, adding convenience and safety. The Active Clean Technology helps maintain good air quality by keeping filters easy to clean and reducing dust or odors. The system supports only a single zone, making it best suited for one room or area rather than multiple zones. The white indoor unit is fairly compact and should fit well in most interiors.

This MRCOOL mini split provides a user-friendly, versatile HVAC option for anyone looking to heat and cool a single medium-sized space comfortably. If you need multiple zones or want detailed energy efficiency info, you might want to explore further.

The Daikin 24,000 BTU 18 SEER2 Entra R32 Series Ductless Mini Split Heat Pump System is a robust and efficient choice for heating and cooling spaces up to 1,500 sq. ft. It offers a high BTU capacity with 22,400 BTUs for cooling and 23,000 BTUs for heating, making it suitable for various climates. The system boasts an impressive 18 SEER2 energy efficiency rating, which means it can help reduce electricity bills while maintaining comfortable temperatures year-round. However, it is not Energy Star certified, which may be a consideration for some users.

The installation kit and wall mounting bracket included make it relatively straightforward to set up, though professional installation is recommended for optimal performance. With a noise level of 38 dB, it operates quietly, ideal for residential settings. Its special features such as ECO+ mode, cold draft prevention, and the Titanium Apatite Photocatalytic Air Purifying Filter enhance user comfort and indoor air quality.

One drawback is that it's a single-zone unit, so it only heats or cools one area at a time. Additionally, the system requires a 230V power source and might be heavier than other similar models at 128 pounds, which could complicate the installation process. For users seeking a powerful and efficient mini-split system with advanced features for a single zone, this could be a strong contender.