Gas Furnace Thermostat Not Working

The test procedure is the same for natural gas oil and propane furnace.

Gas furnace thermostat not working. The furnace switch is usually mounted on a wall near the furnace or sometimes even on the furnace itself. Since heating is the primary function of your gas furnace you need to have this problem looked into by a competent repair technician. If your gas or oil burning furnace cycles on and off too frequently or there are major swings in room temperature before the furnace goes on the thermostat may just need a simple adjustment. If it is not working either then you ve found your problem and it s time to call the gas company or get the propane tank filled.

Just as with switches someone may have turned off a gas valve and then forgotten to turn it back on. The furnace does not heat enough. If your gas furnace is blowing cold air a number of factors could be to blame many of which you can address on your own without the immediate help of a service professional. Gas furnace repair is depends on how old your furnace is.

If your furnace fails to turn on there are some simple things you can do to check out whether the thermostat is bad. If it s not the thermostat battery check the power switch on the furnace itself. Most common issues with thermostats can easily be fixed if you know what to check for. Your thermostat is the brain that tells your furnace what you want it to do.

This switch may power the low voltage thermostat as well as the furnace. When your furnace thermostat is not working your furnace does not know if it needs to work to heat up your home or if it can rest. Furnace won t turn on check your ignition sensor now you are starting to get into the weeds a bit. It s easy to mistake this for a light switch and turn it off.

Gas furnace not blowing hot air. A furnace that is not heating may be having problems with its power gas pilot light or thermostat setting. To troubleshoot a misbehaving gas furnace start with the easiest explanations and solutions then work your way to the most complicated. Trace the gas line back from the furnace to the meter and if you see a handle that s perpendicular to the gas pipe turn it so it s parallel.

How to tell if your home thermostat is bad.