What is the function of a temperature controller? Currently, intelligent temperature controllers on the market can control underfloor heating air conditioners, water heaters, central fresh air systems, lighting, etc. It refers to the physical deformation of the interior according to changes in the working environment, producing a certain special effect and generating a series of automatic control conduction or disconnection action components, also known as temperature switches, temperature controllers, temperature protection, hereinafter referred to as thermostats