What do I do if my heat from my electric furnace isn’t working?
...heat stopped working. it's an electric furnace The most common problem when a furnace blows cold air, and first thing to check, is that the thermostat is set properly. Make sure the temperature is high enough to activate it, and that the thermostat is set to ‘heat’ and the fan set to ‘auto’. If that doesn’t’ fix the p...