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    tchrtonia's Avatar
    tchrtonia Posts: 1, Reputation: 1
    New Member

    Dec 30, 2009, 06:44 AM
    Why does my heater make a loud buzzing noise
    When I turn my heater on, it makes a loud buzzing noise. Fan runs and it seems that warm air is coming out. Is it OK to run?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert

    Dec 30, 2009, 09:12 AM
    Sometimes an item called a low voltage transformer will cause a vibration. If that is the case it is OK to operate but if the noise bothers you have it checked by a local HVAC company.

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