Electronic Ignition Furnace Blowing Cold Air

Well if your furnace is blowing cold air it s most likely due to one of these problems.

Electronic ignition furnace blowing cold air.

Because an electric ignition does not. It s possible your furnace overheated. Your thermostat settings need to be adjusted you have leaky air ducts your fan limit switch settings need to be adjusted. 2 furnace overheated let s say your furnace blows hot air then cold air but then stops blowing any air at all after a while.

Electronic ignition gas furnace problems troubleshooting gas furnaces are a prevalent form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace. The standing pilot light was the regular way to ignite gas powered furnaces for almost as long as these heating systems have existed. The blower keeps blowing to cool the furnace down to a safe level. If so the limit switch a furnace safety device turned the furnace burners off.

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. Although the furnace may be sending heated air into the ductwork by the time it gets to the registers it may only be cool air blowing out. Check the furnace s air filter your furnace may be blowing cold air because the filter is too dirty. Broken or peeling duct tape broken mastic or ductwork.

Have an expert inspect your ducts along with the furnace. Fred paul getty images if your gas furnace is blowing cold air a number of factors could be to blame many of which you can address on your own without the immediate help of a service professional. When overheating your furnace can trip a high limit switch causing the furnace burners to shut off so that the heat exchanger does not crack. My electronic ignition furnace won t ignite.

Why is my furnace blowing cold air. A dirty air filter blocks airflow over the furnace s heat exchanger causing it to overheat.