10 Best Mini Split Seer Rating 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner and Heat Pump stands out with its SEER rating of 19, which signifies good energy efficiency. This is a strong point since a higher SEER rating means lower energy consumption and cost savings over time. It’s particularly beneficial for users looking to efficiently cool or heat spaces up to 1000 square feet, like bedrooms, living rooms, or small commercial areas.

The unit offers versatile functions including air conditioning, heating, dehumidifying, and a fan mode, making it suitable for year-round use. Integration with Alexa is a modern convenience, allowing users to manage settings via voice commands or an app, which adds to its user-friendliness. The package includes necessary installation components and a 5-year warranty on both parts and the compressor, showing confidence in its durability and reliability.

However, it is not Energy Star compliant, which means it might not meet some of the highest standards for energy efficiency. Also, professional installation is required, which could add an extra cost if you don't have the skills to set it up yourself. The noise level is fairly low at 30 dB, making it a quiet option for home and business use. The Senville LETO Series is a solid choice for those looking for multi-functional climate control with good energy efficiency and modern conveniences, despite its lack of Energy Star compliance and the need for professional installation.

The DELL Versa Series 18000 BTU Wifi Mini Split AC stands out in the mini-split category primarily due to its impressive 19 SEER2 rating, which indicates excellent energy efficiency. This means it can cool spaces up to 1000 square feet while offering significant power savings, making it a suitable choice for users looking to reduce energy bills without sacrificing comfort. The unit's ability to function in low temperatures down to 5°F is a strong point, especially for those in cooler climates.

One of its notable features is the smart sensor that adjusts the cooling based on the room temperature detected by the remote, enhancing personal comfort. Additionally, the variety of modes, including eco and turbo functions, provides flexibility for different needs throughout the year. The noise level of 50 dB is relatively quiet, which is a bonus for residential settings.

There are a few considerations to keep in mind. The requirement for professional installation may deter some DIY enthusiasts, and users will need to factor in the costs for this service. While the unit comes with a comprehensive installation kit, the necessity for line-set vacuuming and freon adjustments can complicate setup. Another potential drawback is its weight at 98.2 pounds, which may require additional help during installation. The DELL Versa Series mini-split AC is a strong choice for homeowners looking for an energy-efficient cooling solution capable of heating and cooling larger spaces, provided they are comfortable with professional installation.

The Senville LETO Series Mini Split Air Conditioner is a solid choice for those looking for an efficient and flexible cooling and heating solution. With a SEER rating of 21.5, it stands out in energy efficiency, making it great for reducing electricity bills while providing powerful performance. This unit can cool or heat spaces up to 400 square feet, making it suitable for bedrooms, living areas, and commercial spaces alike.

One of the notable features is its 4-in-1 functionality, which means it can act as an air conditioner, heat pump, dehumidifier, and fan. This versatility allows you to maintain comfort throughout the year. The integration with Alexa for voice control adds convenience, letting you adjust settings remotely or set routines for your home environment.

There are a few drawbacks to keep in mind. The requirement for professional installation can be a hurdle for those looking for a DIY solution, and the warranty, while comprehensive, does not cover labor costs, which can add to your installation expense. Additionally, while the noise level is rated at a quiet 25 dB, some users might still find it noticeable in very quiet settings. The Senville LETO is a stylish, efficient, and user-friendly mini-split air conditioner, perfect for those who want a reliable climate control system without sacrificing aesthetics.