How do smart heating thermostats actually work?

Smart heating thermostats don't cost much and are easy to install. Never heard of them? Energy savings experts explain how to get started.

Smart Heating Thermostat: Easy to install© Federal Ministry for Economic Affairs and Climate Action

Forget to turn down the heating before your holiday? Or did you remember and return to a cold home?
Smart heating thermostats enable you to manage your heating remotely and thus save you a lot of energy. To see how to easily install them yourself, click here for the video. (Video only available in German)