The Smart Thermostat X is compatible with most boilers and heat pumps (Relais or OpenTherm)

Cut energy costs by 22% with future-proof technology

depending on the type of radiator

It’s easy to control your AC or air-to-air heat pump from anywhere through the app

Requires a tado° Bridge X or other compatible Thread Border Router

factory refurbished wireless smart thermostat starter kit v3 NCU The Smart Thermostat X isYou need the Wireless Smart Thermostat Starter Kit for the following situations: Your home has either a thermostat with a wireless connection to the boiler or no thermostat at all. Our refurbished products are fully tested, fully functional, like new, and risk free.