10 Best Mini Split Ac Unit 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner is a solid choice for cooling and heating spaces up to about 1250 square feet, thanks to its 24,500 BTU capacity and 2-ton power. It’s designed to be energy efficient with a SEER rating of 17, which means it can help save on electricity compared to less efficient units. One standout feature is its quiet operation at just 34 decibels, so it won’t disturb your peace at home or work. This model supports Alexa voice control, allowing easy temperature adjustments through your phone or voice commands, which is handy if you like smart home features.

It’s versatile too — it can cool, heat (even in colder weather down to 5°F), dehumidify, and fan, giving you year-round comfort. The inclusion of an installation kit with a 16-foot line set is convenient, but professional installation is required, which adds to the initial cost and effort. The unit is AHRI certified and comes with a 5-year warranty on parts and compressor, offering peace of mind, though labor costs aren’t covered.

This mini split is a stylish, efficient, and feature-packed option for anyone seeking reliable heating and cooling with smart controls in a moderate-sized space. However, it is a single-zone system, so it’s best suited for one main area rather than multiple rooms. Also, it’s not BEE star rated, which might be important if you are looking for official energy star certifications.

The DELLA 24000 BTU Mini Split AC is designed for those seeking efficient cooling and heating for spaces up to 1500 square feet. With a high BTU rating and a respectable 19 SEER2, it offers good energy efficiency, ideal for saving on electricity costs while maintaining comfort. Its capacity to operate in temperatures as low as 5 degrees Fahrenheit makes it versatile for various climates.

Smart features like Alexa compatibility, remote control, and multiple operation modes such as turbo, sleep, and eco energy saving, enhance the convenience and flexibility of usage. The heat pump functionality adds value by providing heating capabilities, although it operates efficiently only to -4℉. However, it's important to note that professional installation is required, which may add to the initial cost and complexity, particularly because of the need for line-set vacuuming.

The noise level is reasonably low at 51 dBa, making it suitable for bedrooms or living areas without causing significant disturbances. The smart sensor technology adjusts the temperature based on the remote’s location, offering personalized comfort.

On the downside, the product might not be suitable for those looking for a DIY installation solution due to its professional installation requirement. Also, despite having a wide range of features, people who require more than one zone might need additional units, as this model offers a single-zone solution.

The DELLA 24000 BTU Mini Split AC is best suited for users needing a powerful, efficient, and relatively quiet air conditioning solution with smart home compatibility, provided they are prepared for the professional setup.

The COSTWAY 12000 BTU mini split air conditioner and heater is a solid choice for cooling and heating rooms up to 750 square feet. With a strong 1-ton capacity and an efficient SEER rating of 20, it offers good performance while keeping energy costs relatively low. Its inverter technology helps save power and extends the unit’s lifespan by avoiding frequent compressor starts and stops. You get multiple modes including cool, heat, dry, fan, and auto, plus extra features like sleep mode, turbo function, and an air quality filter, which make it versatile and user-friendly.

Noise levels are moderate at 51 dB, meaning it’s quiet enough for bedrooms or living rooms without causing disturbance. Maintenance is easier thanks to a self-cleaning feature and washable filter, and the auto-defrost protects the unit in colder weather. However, installation needs to be handled by a licensed professional, which adds to setup costs and effort. The unit uses eco-friendly R32 refrigerant, which is better for the environment compared to older types.

This model fits well if you want a reliable mini split that handles both heating and cooling efficiently with smart features, especially if you value energy savings and quiet operation. Just keep in mind the installation complexity and ensure your space matches the unit’s coverage area.