Furnace Blowing Out Cold Air Heat

3 pilot light is out if your gas furnace is only.

Furnace blowing out cold air heat.

Your thermostat s fan setting. Find the furnace s pilot light assembly and reset switch the assembly and switch should be near the bottom of. If your furnace seems to be blowing cold air it could be a problem with the ignition system. A furnace blowing cold air could be due to your thermostat.

For a heat pump or heater to produce warm air air must flow easily through the filter. Is the furnace s blower constantly running. 7 reasons your heater blows cold air ac blows hot air 1 dead batteries in thermostat. Your furnace blowing cold air could be caused by hot air escaping through holes in the duct work that carries the heat throughout your building.

If you notice your furnace only blows cold air on occasion but your home is still maintaining its temperature than this may be simply a setting on your thermostat. Try relighting the pilot light following these steps. Turn off your furnace turn your thermostat from heat to off. One of the most common causes of a furnace blowing cold air is not actually a repair at all.

The fan setting on your thermostat has two options on and auto. If you only feel your furnace blowing cold air briefly and the air is quickly replaced by warm air this is the most likely explanation. Again using occam s razor we can assume that the next likely culprit for your heater blowing cold air is your thermostat. Basically the furnace isn t lighting the fuel meaning it can t heat your home either.

2 clogged air filter. Have an expert inspect your ducts along with the furnace. Otherwise your electric heater or gas furnace will not turn on. 2 furnace overheated let s say your furnace blows hot air then cold air but then stops blowing any air at all after a.

When a heating cycle begins and your air handler turns on that cool air will blow out of your registers before warm air does. Turn the knob to off and wait 3 5.