10 Best Alexa Smart Thermostat 2025 in the United States

The Amazon Smart Thermostat is a notable choice for those looking to upgrade from a traditional thermostat to a smart one, particularly if you are already invested in the Amazon ecosystem. One of its primary strengths is its compatibility with Alexa, allowing for seamless voice control and integration with other Alexa-enabled devices such as Echo and Ring. The thermostat also supports automatic temperature adjustments based on whether you're home or away, which can help save on energy bills, aligning well with its ENERGY STAR certification and potential rebates from energy providers.

The Google Nest Thermostat is a smart choice for those looking to manage their home’s temperature efficiently. It is ENERGY STAR certified, meaning it is designed to save energy and money. Compatibility is a strong point as it works with most heating and cooling systems, although some setups may require a C wire. An online compatibility checker is available to confirm if it will work with your specific system.

The Google Nest Learning Thermostat - 3rd Gen is a strong contender in the smart thermostat category. One of its standout features is its compatibility with Alexa, allowing for seamless voice control. This makes it very convenient for users who prefer hands-free operation. The thermostat's ability to learn your schedule and automatically adjust the temperature (Auto-Schedule) is another major plus, eliminating the need for manual programming and potentially leading to significant energy savings. The Home/Away Assist feature ensures that the thermostat adjusts the temperature when the house is empty, further enhancing its energy efficiency.