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Question:

Ermostat running but no heat is coming out?

I recently bought a house and just turned on the heat. It was working fine for about two weeks then it quit. I called one repair guy and he said I needed a whole new unit. The second Guy said I didn't need a new unit, maybe a part or two (I think he said control board or motor blower?) Its not working now and I don't know what to do. Is there anything I can try to fix it myself before i call another repair man?thank you for your response.

Answer:

Your question can't be answered with the information you provided. What kind of heating system do you have? Gas? Oil? Electric? Even with knowing what kind of system it is, a person would need to have some symptoms in order to even attempt a diagnosis, and making a diagnosis my means of this forum would be difficult, at best. I am a heating technician, and I would be glad to help if I can, but I need more info.
What if the system doesn't have a pilot light? Or what if the pilot light has electronic ignition? Some systems use a more efficient system that will light the pilot light ONLY when it is going to heat. Some electronic ignition systems use a spark, others use a hot element. Assuming you have spark ignition, does the spark come on when you turn the furnace on? If so then the ignition system is working.

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