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    tnlandsurvey Posts: 1, Reputation: 1
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    Dec 8, 2011, 08:25 AM
    Central heat&ac unit doesn't heat or cool the fan runs continuously
    The ac runs off electricity the heat is gas. The ac worked until around the time it started getting cold. When I switched it over to gas heat it won't heat & the ac doesn't cool now either. Whether its set on auto, on or turned completely off the fan will run continuously I have to cut the power at the breaker box to stop it. What could have caused this?

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