Furnace Blowing Out Cold Air Heat

Turn off your furnace turn your thermostat from heat to off.

Furnace blowing out cold air heat.

1 thermostat is set to on is your furnace blowing cold air only sometimes. 3 pilot light is out if your gas furnace is only. 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. Is the furnace s blower constantly running.

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. Basically the furnace isn t lighting the fuel meaning it can t heat your home either. Your thermostat s fan setting. 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.

Turn the knob to off and wait 3 5. Find the furnace s pilot light assembly and reset switch the assembly and switch should be near the bottom of. 7 reasons your heater blows cold air ac blows hot air 1 dead batteries in thermostat. Otherwise your electric heater or gas furnace will not turn on.

For a heat pump or heater to produce warm air air must flow easily through the filter. 2 furnace overheated let s say your furnace blows hot air then cold air but then stops blowing any air at all after a. Ensure that your thermostat is set higher than the temperature in your home. Try relighting the pilot light following these steps.

Seems silly but you d be surprised how often this has happened. Again using occam s razor we can assume that the next likely culprit for your heater blowing cold air is your thermostat. If your furnace seems to be blowing cold air it could be a problem with the ignition system. Have an expert inspect your ducts along with the furnace.

A furnace blowing cold air could be due to your thermostat. One of the most common causes of a furnace blowing cold air is not actually a repair at all.