I turned my air on to cool the house down this evening and the thermostat is not on and therefore I can't get the air (nor the heat) on. What do I do?

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Originally Posted by funkdonovan

I turned my air on to cool the house down this evening and the thermostat is not on and therefore I can't get the air (nor the heat) on. What do I do?

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If you are good at fixing things.. go to a hardware store and by a new one... my hubby has done this several times over the years. And be sure to keep the warranty. Good luck

I assume this is a digital thermostat? Start by checking the batteries , if it does not have batteries make sure the furnace has power, tripped breaker? Get back to us with a little more info about your system.

There is a simple procedure in the sticky at the top of the forum to isolate thermostat/furnace problems. Buying a new thermostat would cure the dead battery problem. It will not cure a blown fuse in the 24 volt control wiring or a fried transformer. Newer furnaces have an automotive type blade fuse on the circuit board near the air filters.