HEATER NOT WORKING? HERE'S HOW TO TROUBLESHOOT AT HOME
From mastersheatcool.com Estimated Reading Time 6 mins
Check that your thermostat is set to “heat.” This may sound like a no-brainer, but more often than not the thermostat is the problem. Programmable thermostats can be confusing and complicated.
Change the filter. Dirty and clogged filters are one of the primary causes of furnace problems and can cause high operating costs. The heat exchanger can overheat and shut off quickly when filters are clogged with dust and dirt.
Make sure the gas is on. Just like the thermostat, it’s easy for the gas valve to get turned off and forgotten about. To check this, trace the gas line from the furnace back to the meter.
Clear the chimney exhaust flue. The problem may be that you have birds or debris in the chimney exhaust flue. To check this, turn the furnace off and the thermostat all the way down.
Clean away leaves and debris from exhaust vents. If your furnace vents out the side of the house, it’s possible that leaves or debris are blocking the intake or exhaust.
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