Category: Air Conditioning

How To Tell If Your Thermostat Is Broken

how to tell if a thermostat is broken

To see if the thermostat is communicating with the furnace, set the temperature five degrees higher than your normal temperature and see if the heat kicks on — that should help you determine whether the device is prompting the furnace to engage. Obviously, if the system is set to “cool” and you want heat, switch the setting.