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View Full Version : Why would a Gas Furnace be putting out cold air instead of hot


mzcusic
Nov 26, 2010, 08:26 AM
The blower is working but it is only putting out cool air.

ma0641
Nov 26, 2010, 08:53 AM
Is the thermostat calling for heat? Do you have the fan switch set to "on"? Do the burners light? More details please.