How Do You Test If The Thermostat Is Working?
The thermostat in your house tells the furnace when to switch on or off and, if you have a cooling system, controls that as well. When the furnace fails to switch on or off as it should, the problem may be with the furnace — or it may be with the furnace’s brain, the thermostat. You can test whether your thermostat is working or not and thus cut down on the time a repairman has to spend doing the same thing, with the help of a friend. Replace the battery, if present, on your thermostat. A weak or incorrectly installed battery may make it appear as though the thermostat isn’t working when, in fact, it is. Check to see whether the furnace is running. If it’s not running, set the thermostat to “Heat” and make sure the fan is set to either “Auto” or “On.” Set the desired indoor temperature to at least 10 degrees above your heating set-point, if you have a programmable thermostat, or at least 10 degrees above the current temperature if your thermostat is not programmable. Listen to see whe
