10 Best Heat Pumps 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner Heat Pump is a versatile choice for anyone looking to efficiently heat and cool a medium to large space, like a home or business. With a cooling capacity of 24,000 BTU and a heating function that operates down to 5°F, it offers an all-season solution. Its Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER) ratings are respectable, with a SEER of 17, making it fairly energy-efficient compared to other units. It does not comply with Energy Star standards, which could impact perceived efficiency savings.

One of the standout features is its integration with Alexa, allowing for voice control and app-based adjustments. This can provide a convenient user experience, especially for those who appreciate smart home technology. Additionally, the unit operates at a noise level of just 34 dB, making it a quiet option for bedrooms and living areas.

On the practical side, the Senville LETO comes with an installation package, which includes all essential components, though professional installation is recommended. The 5-year warranty on parts and the compressor is a plus, providing peace of mind regarding reliability. However, the unit's lack of Energy Star compliance could mean higher long-term energy costs compared to compliant models, and some users may find the need for professional installation to be a drawback, especially if they prefer DIY options.

The PIONEER Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump is a versatile and efficient option for residential and light commercial use. With a capacity of 12,000 BTU/hour, it effectively covers an area of up to 450 square feet. The unit boasts a high SEER rating of 20 and an HSPF of 10, which means it is energy-efficient and can help reduce your electricity bills.

Additionally, the system operates quietly at a noise level of 40 dB, making it suitable for environments where noise levels are a concern. The 16 ft. installation kit and included remote control make it convenient to set up and use. The use of a 115V power supply and the Energy Star certification further add to its appeal for energy-conscious users.

However, some potential drawbacks include the need for professional installation, which could add to the initial cost, and the fact that it's a ductless system, which may not be suitable for all types of homes. Despite these considerations, its efficiency, quiet operation, and comprehensive installation kit make it a strong contender in the heat pump category.

The Cooper & Hunter MIA Series 12,000 BTU mini split heat pump is a solid choice for those needing a reliable heating and cooling system for smaller spaces like bedrooms, living rooms, or small commercial areas. With a capacity of 1 ton (12,000 BTU), it fits well for rooms up to about 500-600 square feet. Its energy efficiency is impressive, boasting a high SEER rating of 20 and SEER2 of 20.8, meaning it uses electricity efficiently, which can help lower your energy bills compared to standard units. Although it does not have an Energy Star certification, the inverter compressor technology further enhances efficiency and comfort by adjusting power smoothly rather than turning fully on or off. The unit operates quietly at 26 dB, making it suitable for quiet environments like bedrooms.

Its heating function works effectively even when outdoor temperatures drop to 5°F, with a defrost cycle to prevent frost build-up during cold weather. The system uses a pre-charged refrigerant. The unit supports WiFi control through a smartphone app, offering convenient remote operation and temperature adjustments. Installation requires a professional since it’s not a DIY product, but it comes with a comprehensive 16-foot installation kit to ease the setup process. Despite lacking Energy Star certification and being somewhat heavier than some models, its strong efficiency, quiet operation, and smart features make it a good fit for users seeking a modern, versatile mini split heat pump suitable for moderate climates.