10 Best Heat Pump Thermostat 2026 in the United States

The Google Nest Learning Thermostat (4th Gen, 2024) in Polished Obsidian offers excellent compatibility, working with most 24V systems including gas, electric, oil, and heat pumps. Its installation is simplified as it typically doesn't require a C wire. This model stands out with its smart features, including integration with Alexa and Google Home, allowing remote control through voice commands or the Google Home app.

The thermostat also comes with the Nest Temperature Sensor, enabling precise temperature management in different rooms and adaptive eco features to enhance energy efficiency by learning and adjusting to outside temperatures. Users can expect significant energy savings, with estimates of up to 12% on heating and 15% on cooling bills. The large, dynamic display and aesthetically pleasing design make it an appealing addition to any home, improving visibility and ease of use.

Some potential downsides include a reliance on Wi-Fi for full functionality and the need to replace the CR2 battery periodically. Additionally, while it offers many advanced features, the initial setup might be a bit daunting for less tech-savvy users. However, for those looking to upgrade to a smart, energy-efficient thermostat, this model is a strong contender.

The Honeywell Home RTH9600WF Smart Color Thermostat is an ENERGY STAR certified device designed to help save energy and provide personalized tips to reduce energy use. This thermostat is compatible with a variety of heating and cooling systems, including forced air, hot water, steam, and heat pumps with electric backup, although it does not work with electric baseboard heating systems. An important point to note is that a C-wire is required for installation, which might be a limitation for some older homes without this wiring.

Programmability is a strong feature of this thermostat, offering flexible options to set schedules or adjust temperatures remotely using a companion app or through smart home systems like Amazon Alexa, Google Assistant, and Microsoft Cortana. The customizable color touchscreen enhances user experience by allowing users to personalize the display and view indoor and outdoor temperature, humidity, and daily weather forecasts.

The requirement for a C-wire power adapter might be a drawback for homeowners with incompatible systems, and the lack of compatibility with line volt heating systems limits its applicability. The smart response technology and various fan control options, including automatic and circulate modes, add to its functionality, making it a versatile choice for managing home climates efficiently. This Honeywell thermostat offers excellent energy efficiency and smart features but requires careful compatibility checks before purchase.

The ecobee Smart Thermostat Premium is a versatile and advanced thermostat, ideal for those looking to save on heating and cooling costs while enjoying a range of smart features. Its compatibility is extensive, supporting most 24VAC HVAC systems, including furnaces, ACs, heat pumps, and more. The inclusion of a Power Extender Kit simplifies installation in homes without a C-wire, making it accessible for many users. Programmability is a strong suit, with the ability to create customized schedules to optimize energy use and comfort. The built-in air quality monitor is a nice touch, offering alerts and tips to maintain a healthy home environment. Another standout feature is the SmartSensor, which ensures the most critical rooms are always at the ideal temperature.

Smart features are plentiful; the thermostat works with Siri, Alexa, and Google Assistant, allowing for voice control and integration with other smart home devices. The user interface is designed with a large, vibrant display and a cinematic interface, making it easy to navigate. However, some features, like the smart security notifications and pause function for open windows/doors, require additional subscriptions, which could be a drawback for some users. The thermostat also includes a built-in speaker for voice control and music playback, but the sound quality may not match dedicated speakers.

Energy efficiency is a significant benefit, with the potential to save up to 26% on heating and cooling costs, and it is ENERGY STAR certified. This thermostat is well-suited for tech-savvy users looking for an all-in-one smart home solution, though the need for subscriptions for some features might deter those looking for a simple, subscription-free experience.