10 Best Mini Splits 2025 in the United States

The Senville LETO Series Mini Split offers a solid 12,000 BTU cooling capacity, which suits small to medium-sized rooms well. With a high SEER rating of 19, it promises efficient energy use, helping to keep electric bills lower during cooling seasons. The system is a versatile 4-in-1 unit, providing cooling, heating, dehumidifying, and fan modes, making it useful year-round. Alexa compatibility is a nice modern touch, allowing for convenient voice and remote control.

The included installation package simplifies setup, but professional installation is still required, which adds to cost and effort. This is a single-zone unit, so it’s best for users wanting to control one room or area rather than multiple zones. A 5-year warranty on parts and compressor offers good peace of mind.

This mini split suits individuals or small businesses seeking an energy-efficient, smart-controlled heating and cooling solution in a single space. However, those needing multi-zone setups or more detailed heating efficiency information might want to consider other options.

The Senville LETO Series Mini Split is a solid choice if you’re looking for a quiet and efficient 1.5-ton air conditioner and heat pump system suitable for about 1,000 square feet. With an 18,000 BTU cooling capacity and a good SEER rating of 19, it offers energy-efficient performance that can help keep electricity costs reasonable. This model is versatile, working as both a cooling and heating unit, and can function in cold weather down to about 5°F, making it useful year-round in many climates. It also includes handy features like Alexa compatibility, so you can adjust settings with your voice or remotely via an app, which adds convenience. Noise levels are quite low at 30 dB, meaning it won’t disturb your living or working space.

It is designed for single-zone use only, so it’s best suited for one room or open area rather than multiple rooms. Installation requires a professional, and although the package comes with necessary parts including a 16-foot refrigerant line, installations beyond that length might incur extra costs. The system is not Energy Star certified, which might be a consideration if you prioritize top energy-saving certifications. The included warranty covers the compressor and parts for five years, which offers some peace of mind.

This mini-split is a strong option for homeowners or small businesses wanting a quiet, efficient, and smart-controlled heating and cooling system for a single space, but it may not be the best fit if you need multi-zone capabilities or the highest energy standards.

The MRCOOL DIY 9,000 BTU Ductless Mini Split is a solid choice for a compact heating and cooling solution suited for spaces around 350 square feet, such as a small room or office. Its 9,000 BTU capacity supports a single zone, making it simple and efficient for spot climate control. With a high SEER rating of 23.6, it offers good energy efficiency, helping to reduce power bills compared to older units. The noise level at 45 dB is fairly quiet, so it won’t be disruptive in quiet environments.

One of the standout features is its easy DIY installation with pre-charged line sets, allowing setup without special tools or professional help—ideal for avoiding installation costs. The unit also supports smart controls compatible with Google Assistant and Amazon Alexa, enabling convenient adjustments via phone or voice commands. The included remote control and additional features like sleep mode and a dehumidifier enhance user comfort.

This model supports only a single zone, so it’s not suitable for cooling or heating multiple rooms independently. It runs on 115V power, which limits its size and power compared to higher voltage systems designed for larger spaces. Some users might also find the 45 dB noise level noticeable in very quiet rooms. This MRCOOL mini-split is well-suited for those seeking a quiet, energy-efficient, and easy-to-install heating and cooling system for a small space, with smart features and a DIY setup making it especially appealing for homeowners or renters who prefer managing their own installation and want modern conveniences without complexity.