10 Best Mini Split Seer Rating 2026 in the United States

The Senville LETO Series Mini Split Air Conditioner offers a solid SEER rating of 19, meaning it’s quite energy efficient compared to many models on the market. This efficiency helps lower electricity bills while providing reliable cooling and heating, making it a smart choice for year-round comfort. With 30,000 BTU power and a 2.5-ton capacity, it can effectively cool or heat spaces up to around 1,400 square feet, suitable for larger rooms or small commercial areas. The inverter technology adjusts power use to save energy and maintain steady temperatures.

A standout feature is its Alexa compatibility, allowing you to control the unit with voice commands or an app, which adds convenience, especially for those who like smart home devices. It also functions as a dehumidifier and fan, adding versatility beyond just cooling and heating. On the downside, this mini split requires professional installation, which can add to upfront costs and effort. The included installation kit is handy, but you’ll likely need a technician to handle setup properly. The warranty covers parts for 5 years and the compressor for 5 years, which is reassuring, although labor costs for repairs aren’t included. Noise levels are low at 34 dB, so it won’t disturb quiet environments.

If you want an energy-efficient, smart-controlled mini split with decent cooling power and don’t mind arranging professional installation, this model from Senville is a capable option for homes or small businesses.

The Senville LETO Series Mini Split Air Conditioner Heat Pump is a strong choice if you're looking for an energy-efficient, versatile system. It features a SEER rating of 19, which means it operates efficiently and should help reduce electricity bills compared to lower-rated units. The 1-ton capacity (12,000 BTU) is suitable for spaces up to about 700 square feet, making it a good option for bedrooms, living rooms, or small commercial areas. This model includes inverter technology, which adjusts power use based on your cooling or heating needs, improving comfort and efficiency.

A standout feature is its Alexa compatibility, allowing you to control the unit with voice commands or a smartphone app, adding convenience and modern smart home integration. It also offers heating capability down to 5°F (-15°C), plus dehumidifying and fan functions, so it works year-round. The unit is quiet at 22.5 decibels, which is great for maintaining a peaceful environment. The package comes with everything needed for installation, though professional installation is required to keep the warranty valid. Speaking of warranty, it includes 5 years on parts and compressor, but labor costs are not covered.

One downside is that the size and weight (120 pounds) might make installation more challenging and potentially more expensive. Also, while the system is user-friendly, those unfamiliar with HVAC systems will definitely need professional help for setup. This mini-split delivers a good combination of efficiency, smart features, and reliable performance for anyone needing a flexible heating and cooling solution.

The Senville LETO Series Mini Split Air Conditioner is a well-rounded choice for those seeking an efficient and versatile cooling and heating solution. With a SEER2 rating of 18, it offers good energy efficiency for its size, making it suitable for larger areas up to 1250 square feet. This mini-split system combines several functions, including air conditioning, heating, dehumidifying, and fan, which means it can adapt to different seasonal needs with ease. The inclusion of an inverter compressor ensures quieter operation, rated at just 34 dB, allowing you to enjoy a comfortable environment without disturbing background noise.

One of the standout features is its compatibility with Alexa, which provides convenience through voice control or mobile app access. This makes adjusting your home's climate as simple as speaking a command or tapping a button on your phone. The sleek design of the unit also adds a modern touch to any room, making it suitable for both residential and commercial settings.

There are a few drawbacks to consider. While the mini-split system is designed for professional installation, this can add to the overall cost and complexity of setting it up. Additionally, it is not Energy Star compliant, which may be a concern for users focused on maximizing energy savings. The warranty coverage is decent, with 5 years on parts and the compressor, but labor costs for installation and repairs are not included.