Anonymous

when i turn on my central air conditioning unit, my furnace also comes on.....both units run simultaneously resulting in warm air....any ideas?

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Arthur Wright Profile
Arthur Wright answered

I would venture here to say your Thermostat is bad or going bad

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Arthur Wright
Arthur Wright commented
Also I would tell you to shut the whole thing down til you have it checked out before it starts a fire
Dan Bunker
Dan Bunker commented
COuld also be something shorted on the furnance control board.
Arthur Wright
Arthur Wright commented
Dan, usually if this happens neither works and strong burning smell is possible
Megan goodgirl Profile
Megan goodgirl answered

You should call an  electriation.

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