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 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.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner offers a powerful cooling capacity of 12,000 BTU, making it suitable for large rooms up to 550 square feet. Its multi-season functionality is a standout feature, as it provides both cooling and supplemental heating, though the heat pump is limited when outdoor temperatures drop below 41°F. The unit is energy efficient, boasting an Energy Efficiency Ratio (EER) of 13.3 and Energy Star certification, which can save up to 35% on energy costs compared to standard units.

The variable-speed inverter technology contributes to these savings by adjusting the cooling output as needed, ensuring comfort while minimizing electricity usage. Additionally, the unit operates quietly, with noise levels as low as 45 dBA, making it ideal for bedrooms or workspaces where low noise is essential. The design includes an LED display, multiple modes and speed settings, a 24-hour timer, and ECO energy saver mode. It's also WiFi enabled, allowing control via the SmartHome App, Alexa, or Google Assistant, adding convenience.

Installation is straightforward with the provided kit, fitting double hung windows with specific dimensions. However, at 58 pounds, it might be cumbersome for some users to install without assistance. The washable filter is easily accessible for maintenance, ensuring peak performance. The unit's versatility and smart features make it a strong contender for those needing year-round climate control in larger spaces.