10 Best Digital Thermostats 2025 in the United States

The Amazon Smart Thermostat is a modern digital thermostat designed to help users save money and energy through smart technology. One of its primary strengths is its compatibility with Alexa and the Ring app, allowing users to control the thermostat remotely or via voice commands. This is particularly useful for those who already have an Alexa-enabled ecosystem at home.

Its programmability is robust, offering up to seven configurable time periods per day, which can be managed through the Alexa app, making it easy to tailor to individual schedules and preferences. Smart features like automatic control based on user presence (via Hunches) and temperature sensors help maintain optimal comfort by addressing hot or cold spots in the home. The thermostat also provides energy reports, allowing users to monitor and manage their energy consumption better.

However, the device does require a C-wire for installation, which might pose a challenge for some users whose homes lack this wiring. The installation process is guided through the Alexa app and described as straightforward, but having to potentially use tools like a power drill might be intimidating for some. The display and interface are simple, with basic touch controls on the device, which might be less intuitive compared to more advanced touch-screen models. Despite these minor drawbacks, the Amazon Smart Thermostat is a reliable and cost-effective solution, especially for those integrated into the Amazon smart home ecosystem.

The Google Nest Learning Thermostat (3rd Gen) is a feature-rich, smart thermostat that stands out for its ability to program itself using the Auto-Schedule feature. This is particularly useful for users who want to avoid the hassle of manual programming. Compatibility is a significant strength, as it works with both Google Assistant and Amazon Alexa, making it a versatile choice for various smart home ecosystems.

The Home/Away Assist feature ensures that the thermostat adjusts the temperature when your home is empty, which can save on energy costs. Remote control via the Nest app adds convenience, allowing you to manage your thermostat from anywhere. The device also provides detailed energy reports, helping you understand your energy usage and find ways to save more.

The display and interface are user-friendly, and the design is sleek and modern in stainless steel, making it a stylish addition to any home. Installation is generally straightforward, but it might require professional help for those unfamiliar with home wiring. The initial cost might be higher compared to basic thermostats, but the energy savings over time could offset this expense. While it offers a lot of smart features, it relies heavily on a consistent Wi-Fi connection to function optimally. If your internet connection is unstable, you might face issues with remote control and updates. The Google Nest Learning Thermostat (3rd Gen) is ideal for tech-savvy homeowners looking for a smart, energy-efficient solution that integrates seamlessly with their existing home automation systems.

The ecobee Smart Thermostat Premium stands out in the digital-thermostats category due to its extensive compatibility and smart features. It works with Siri, Alexa, and Google Assistant, making it highly versatile for varying smart home setups. Its programmability is top-notch, allowing users to save up to 26% annually on heating and cooling costs, which is further supported by its ENERGY STAR certification.

The included SmartSensor automatically adjusts temperatures in different rooms, ensuring comfort throughout the home. The built-in air quality monitor, smoke alarm detection, and alerts for possible break-ins add significant value, transforming this thermostat into a comprehensive home monitoring hub. The vibrant display and intuitive interface enhance user experience, making it easy to navigate and control settings.

Additionally, the thermostat's ability to act as a smart speaker for Siri or Alexa and play music through Spotify is a unique feature that integrates entertainment with utility. Installation is straightforward, especially with the included Power Extender Kit for homes without a C-wire, accommodating most 24VAC HVAC systems effortlessly. However, gaining access to some advanced features like door/window sensors and enhanced security alerts requires a subscription to the ecobee Smart Security plan, which may be an additional cost. Despite these minor drawbacks, the ecobee Smart Thermostat Premium is an excellent choice for those seeking an efficient, multi-functional, and smart home-compatible thermostat.