The radiators in the master bedroom are up and running, and the room is a toasty 62 degrees! Here is one of the digital thermostats that will be placed around the house. As you can see is small and simple - we wanted someting unobtrusive. Additionally, with radiant heat you don't use programmable thermostats that can turn the heat up and down during various times of the day. Due to the slow-warming nature of radiant heat, you just set a temperature and leave it be.