Best App Control Smart Thermostats of 2026

The tado Thermostat X offers smart heating control that helps you save energy, with an average reduction of 22 percent when using the extra battery set. It is easy to install yourself, even without an internet connection, and works with various heating systems like gas boilers, heat pumps, and underfloor heating. You can control your heating conveniently via the app, allowing you to set schedules and adjust temperatures from anywhere. Additionally, it integrates seamlessly with smart speakers like Alexa, Google Assistant, and Siri, enabling voice control for each room’s temperature.

The KETOTEK Smart Thermostat offers seamless control over your heating system. With WiFi connectivity, you can easily manage your home's temperature via the Smart Life or Tuya App, allowing you to adjust settings remotely. Voice control compatibility with Alexa and Google Assistant means you can simply ask for temperature changes without leaving your cosy spot. Additionally, you can create personalised heating schedules tailored to your daily routine, ensuring efficient energy use and comfort at all times.

The tado° Smart Thermostat X offers a convenient way to control your heating and hot water from anywhere. With its wireless connectivity, you can easily adjust settings via the app, ensuring your home is always at the perfect temperature. The compatibility with smart speakers like Alexa, Siri, and Google Assistant allows for hands-free operation, making it even more user-friendly. Additionally, the included stand means you can place the thermostat wherever it suits you best, enhancing both functionality and ease of use.

The tado° Smart Thermostat X offers easy DIY installation, making it suitable for a range of heating systems, including gas boilers and underfloor heating. You can control your heating via the app, allowing for smart scheduling and advanced geofencing, which ensures your home is warm when you arrive. The open-window sensor helps you save energy by detecting when a window is opened and adjusting the heating accordingly. Additionally, it integrates seamlessly with smart speakers like Alexa and Google Assistant, providing you with ultimate convenience.

The tado° Smart Thermostat X offers an impressive way to save energy and reduce heating costs, with users typically saving around 22% by managing multiple rooms. Its easy DIY installation means you can fit it to almost any radiator valve without hassle. You can control your heating through the app, which features smart scheduling and an open-window sensor, enhancing convenience and efficiency. Furthermore, with compatibility for smart speakers like Alexa and Google Assistant, adjusting the temperature in your home becomes seamless and intuitive.

The ENGO E20i Thermostat allows you to control your home's heating from anywhere using the ENGO Smart app or through voice commands with Amazon Alexa and Google Assistant. This wireless thermostat is battery powered and can be mounted away from heat sources or sunlight for optimal performance. With a reliable 2.4 GHz WiFi connection built into the receiver, you won’t need an additional gateway hub. You can set schedules and manage your energy use, helping you save on heating costs while ensuring your home stays comfortable.