10 Best Mini Split Seer Rating 2025 in the United States

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.

The DELL Versa Series 12000 BTU Mini Split Air Conditioner is an impressive choice for those seeking an energy-efficient cooling and heating solution for medium-sized rooms. With a SEER2 rating of 19, this unit is well above average in energy efficiency, which can lead to lower energy bills over time. The ability to cool and heat spaces up to 750 square feet makes it suitable for living areas, bedrooms, or home offices, while its capability to operate in temperatures as low as -4℉ is a significant advantage for colder climates.

A standout feature is its smart sensor technology, which allows the unit to sense the remote control's temperature, ensuring personalized comfort. The quiet operation at just 30-41 dBa makes it a great option for environments where noise is a concern, like bedrooms or study areas. Additionally, the automatic settings, including a 24-hour timer and eco mode, enhance its user-friendliness and energy-saving potential.

There are a few drawbacks to consider. Installation must be performed by professionals, which could increase the initial cost and complicate setup for some users. Additionally, while the included installation kit is helpful, the requirement for proper line-set vacuuming and freon adjustments may deter DIY enthusiasts. Another point to note is the weight of the unit at 76 pounds, which could make handling during installation more challenging.

The YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System is an efficient and versatile solution for cooling and heating spaces up to 1250 square feet. With a high SEER rating of 21.00, this unit promises significant energy savings, making it a cost-effective option for long-term use. It supports WiFi and Alexa integration, providing modern convenience and ease of control.

The system offers five modes, including auto, cool, dry, heat, and fan, catering to various needs and preferences. Additionally, its inverter technology and silent performance with noise levels below 49 decibels ensure a quiet and comfortable environment.

The unit is designed to operate efficiently in a wide range of temperatures, making it suitable for different climates. It comes with a comprehensive installation kit, though professional installation is required, which might add to the initial cost. This product is best suited for individuals seeking an energy-efficient, versatile, and quiet mini-split system for their home or commercial space.