10 Best Air Conditioners 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a substantial cooling capacity of 12,000 BTU, making it suitable for cooling medium-sized rooms. One of its standout features is the high Seasonal Energy Efficiency Ratio (SEER) of 20.8, which indicates it operates efficiently and could help reduce electricity bills. The inclusion of a DC Inverter further enhances its energy efficiency and performance consistency.

This model supports voice control through Alexa, allowing for convenient adjustments via app or voice commands from anywhere, which could be appealing to tech-savvy users or those who enjoy smart home integration. Additionally, it serves multiple roles as an air conditioner, heat pump, dehumidifier, and fan, making it versatile for year-round use. The unit operates relatively quietly, which is ideal for bedrooms and living areas where noise can be disruptive.

It does require professional installation, which might add to the initial cost. Although it comes with a comprehensive 5-year warranty on parts and the compressor, labor costs for installation are not covered. The product does not meet Energy Star compliance, which might be a consideration for eco-conscious buyers. Its compact and stylish design allows it to blend into both residential and commercial settings without compromising aesthetics. The package includes necessary installation components, making it convenient, but the pre-loaded refrigerant accommodates only up to 25 ft, which could limit installation flexibility in larger spaces.

The TOSOT GO Cool RV Air Conditioner is a solid choice if you need a rooftop AC with both cooling and heating for your RV. Its 15,000 BTU cooling capacity makes it well suited for medium to large RVs, roughly 16 to 24 feet long or up to 600 square feet inside. It also offers 12,000 BTU heating, which is great for staying comfortable in colder weather. The unit runs at a reasonable noise level of 52 dB, which is about the sound of a normal conversation, so it shouldn't disturb your peace while camping. With an Energy Efficiency Ratio (EER) of 8.5, it provides decent energy savings, though not the highest efficiency you might find in some home air conditioners.

This model is a non-ducted rooftop unit, meaning it’s designed for RVs without internal ductwork, and installation fits standard 14.25-inch vent openings, making it compatible with many RV models. A standout feature is the WiFi connectivity and remote control via the Gree+ app, allowing you to adjust settings conveniently from your phone, which is especially handy on the road. It also works reliably in extreme outdoor temperatures ranging from 23°F to 115°F, making it versatile for various climates.

There are some considerations to keep in mind: it’s a bit bulky with its dimensions and uses 110 volts, so you’ll want to ensure your RV’s electrical system supports it. The SEER rating is not specified, suggesting moderate seasonal efficiency compared to other models. The separate shipment of parts might complicate the initial setup slightly, and it’s not compatible with RVs that have existing duct systems. This TOSOT unit is a dependable, feature-rich choice for RV owners who want both heating and cooling with smart controls, but you should confirm your RV’s electrical compatibility and duct setup before buying.

The Senville LETO Series Mini Split Air Conditioner offers 9,000 BTU of cooling power, suitable for rooms up to around 400 square feet, making it ideal for bedrooms, small living areas, or modest commercial spaces. It features an inverter heat pump, providing efficient cooling and heating even in temperatures as low as 5°F (-15°C). A notable feature is its Alexa compatibility, enabling easy voice or app control, which adds convenience for smart home use.

With a SEER (Seasonal Energy Efficiency Ratio) of 19, it delivers reasonable energy efficiency, although it is not Energy Star certified, so it may not offer the highest energy savings compared to some other models. The unit operates quietly at about 25 decibels, making it suitable for quiet environments like bedrooms or offices. Installation requires professional assistance, but the package includes all necessary components and a 16-foot pre-charged line set, simplifying the installation process for professionals.

The product comes with a 5-year warranty on the compressor and 2 years on parts, providing solid reliability assurance. While the lack of Energy Star certification and the need for professional installation may be drawbacks for some buyers, the Senville LETO’s multi-functionality, quiet operation, and smart features make it a compelling choice for those seeking a versatile mini split system for year-round comfort.