Best App Control Smart Thermostats of 2025

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.

The Netatmo Smart Thermostat helps you save energy by allowing you to create a heating schedule tailored to your needs. Whether you're on holiday or away for the day, the Absent and Frost Protection modes ensure your home remains at a comfortable temperature. You can control your heating from anywhere using your smartphone, tablet, or computer, or simply use voice commands through compatibility with Apple HomeKit, Alexa, and Google Assistant. With its Auto-Adapt feature, this smart device intelligently adjusts to the outdoor temperature and your home's insulation for optimal comfort.

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 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 SPORTARC Smart Thermostat features a new 0.1°F/0.1°C HD LCD touchscreen, making it easy for you to read the temperature at a glance. With APP control, you can adjust your home’s heating even when you are away, providing ultimate convenience. You can choose between manual or automatic modes, allowing you to customise your heating preferences. It also includes an internal sensor that accurately detects ambient and floor temperatures, ensuring your home remains comfortable at all times.

The PNI CT440 Thermostat offers exceptional convenience with WiFi connectivity and app control, allowing you to manage your heating system from anywhere. You can easily control up to four different zones independently, ensuring optimal comfort and energy efficiency throughout your home. With programmable schedules, you can customise your heating to fit your lifestyle, saving energy and reducing costs. Additionally, being battery powered and wireless means hassle-free installation with no complicated wiring needed.

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 an efficient way to manage your heating, helping you save an average of 22% on energy costs. Its easy DIY installation means you can set it up without fuss, fitting it to almost any radiator valve. You can control your heating effortlessly through the app, allowing for smart scheduling and geofencing features that adapt to your lifestyle. With compatibility for voice assistants like Alexa and Siri, adjusting the temperature in each room becomes incredibly convenient.

The MOES Smart Thermostat allows you to control your home’s heating effortlessly. With voice control through Alexa and Google, you can adjust temperatures from anywhere, ensuring comfort when you arrive home. Its intelligent energy savings feature helps you optimise operations, reducing waste and keeping costs down. The temperature compensation function monitors room temperature, adjusting heating intensity for precise control. Additionally, manual temperature compensation lets you fine-tune settings based on actual conditions, enhancing your comfort and preventing unnecessary energy use.

The Refoss Smart Thermostat offers advanced control for your heating system, allowing you to manage your home's temperature remotely via the free Refoss app or through voice commands with Siri, Alexa, or Google Home. The open window detection function helps you save energy by automatically shutting off heating when a window is open, reducing your electricity bills. With dual temperature sensors, you can ensure optimal comfort by accurately sensing both air and floor temperatures. Additionally, the scheduling feature allows you to set up to eight events daily, ensuring your heating adjusts to your routine seamlessly.