Best Siri Thermostats of 2025

The tado° Smart Radiator Thermostat helps you save energy and money by allowing you to control multiple radiators and rooms individually. This add-on feature lets you set smart schedules tailored to your routine, enhancing comfort and efficiency. It is compatible with a wide range of existing thermostatic radiator valve heads, making installation straightforward. With easy installation instructions provided in the app, you can set it up in minutes without any risk of leakage.

The tado° Smart Thermostat offers you full control over your heating from anywhere via the tado° app. You can enjoy a Heating Boost feature that allows you to quickly warm up all rooms for 30 minutes with just one click. The Smart Schedules feature helps you maintain the perfect temperature in each room at any time, ensuring heating is only active when someone is home. Additionally, if the app detects an open window or no one is home, it will remind you to lower the heating, helping you save energy and money.

The tado° Wired Thermostat allows you to save energy while enjoying full control over your home heating. With its smart heating technology, you can easily manage your heating from anywhere using the intuitive app. The Open Window Detection feature automatically adjusts the temperature when it senses an open window, preventing energy waste. Additionally, the Smart Schedules feature lets you programme your heating according to your daily routine, ensuring warmth when you need it most. With Advanced Geofencing, you can preheat your home before you arrive, adding convenience to your lifestyle.

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 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 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.

The HOMEPILOT Smart Thermostat is a versatile device that enhances your home’s heating and cooling systems. It allows you to control almost any radiator or underfloor heating, ensuring precise temperature regulation and energy efficiency. You can programme your schedules easily, making it convenient to adjust your heating according to your daily routine. Additionally, voice control compatibility with Alexa, Google Assistant, and Siri means you can change the temperature without lifting a finger, adding a modern touch to your home comfort.

The Sensibo Air PRO is a smart AC controller that includes an air quality sensor, ensuring your home maintains an ideal temperature while monitoring air quality. This feature allows you to create a healthier living environment by detecting unhealthy air conditions. It also helps reduce cooling costs by optimising your air conditioning, potentially lowering bills by up to 40%. With its smart features like geofencing, the device activates your air conditioning when you arrive home, ensuring comfort without wasting energy.

The tado° Smart Thermostat allows you to control multiple radiators and heating zones individually through a single app, enhancing your comfort and energy efficiency. You can effortlessly manage the temperature in all rooms, ensuring a personalised environment. With various adapters included, it fits most radiators and can be mounted in different orientations. The device requires a tado° Starter Kit to function, making it an ideal add-on for those looking to optimise their heating system.