Best Smart Thermostats of 2026

The tado° Thermostat V3+ offers full control over your heating via the intuitive tado° app, allowing you to adjust temperatures from anywhere and reduce energy use, saving you money. The Heating Boost feature quickly warms all rooms for 30 minutes with a single tap, perfect for when you need immediate comfort. Smart Schedules let you set the ideal temperature in each room at any time, activating only when someone is home, so you avoid wasting energy. Plus, if the app detects no one is home or an open window, it sends reminders to turn down the heating, helping you stay efficient and in control.

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 Honeywell T6 Thermostat offers a user-friendly touch-screen interface, making it simple for you to schedule and adjust temperatures with ease. With the Honeywell Home app, you can manage your heating from anywhere, ensuring your home is always comfortable. The thermostat also utilises your smartphone's location features, automatically adjusting the temperature when you're away or returning home. Additionally, it provides flexible scheduling options tailored to your lifestyle, allowing for up to six different time settings each day.

The Kasa Smart Radiator Valve KE100 offers impressive features to enhance your home heating experience. With geofencing support, your home will warm up as you approach and cool down when you leave, providing seamless comfort. You can also group multiple valves, allowing you to control several radiators with a single tap, perfect for larger rooms. The external temperature sensor adjusts heating based on the room's conditions, ensuring optimal comfort. Plus, when a window is opened, the valve automatically shuts off to save energy, giving you peace of mind.

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 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 Meross Smart Thermostat offers great convenience with its WiFi compatibility, allowing you to control your heating and cooling remotely or by voice. You can easily monitor the temperature in various areas of your home, including bedrooms and greenhouses. With multiple advanced functions, this thermostat helps you manage energy usage and set alarms for high or low temperatures. Additionally, the 7x12 Smart Schedule feature enables you to customise your heating and cooling throughout the week, ensuring comfort even during Wi-Fi disruptions.

The tado° Smart Thermostat X allows you to save an average of 22% on energy costs, making it a smart investment for your home. With easy DIY installation, you can fit it to almost any radiator valve, ensuring a secure and leak-free setup. The app gives you full control over your heating system, enabling smart scheduling and geofencing to adjust temperatures based on your location. You can also enjoy the convenience of voice control through smart speakers like Alexa, Google Assistant, or Siri.

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.