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Heating Ventilating and Air Conditioning

What could be the problem if you changed your home thermostat and the air works but the heat won't come on?



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Check your furnace. It may be turned off.


try changeing the thermocoupling but first make sure the pilot stayeds light it my have an electric igniter on it and not a t hermocoupling if that's the case the igniter may be bad. or the thermostat my be set to air and not to heat check to see if brakers are on for the heater