If your gas furnace keeps cycling on and then turning off within a minute or so, it might be the result of a dirty flame sensor. Most gas furnaces have a small sensor designed to shut off the furnace ...

Once summer is behind us, and our commercial customers begin to use their heaters again, you’ll probably be getting calls like this: “I think my heater’s working because I can hear it turn on, but ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...