Electronic Ignition Furnace Blowing Cold Air

Because an electric ignition does not.

Electronic ignition furnace blowing cold air.

Broken or peeling duct tape broken mastic or ductwork. If so the limit switch a furnace safety device turned the furnace burners off. Why is my furnace blowing cold air. Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article.

The blower keeps blowing to cool the furnace down to a safe level. 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. My electronic ignition furnace won t ignite. 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.

Check the furnace s air filter your furnace may be blowing cold air because the filter is too dirty. 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. A dirty air filter blocks airflow over the furnace s heat exchanger causing it to overheat. The standing pilot light was the regular way to ignite gas powered furnaces for almost as long as these heating systems have existed.

Well if your furnace is blowing cold air it s most likely due to one of these problems. 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. Have an expert inspect your ducts along with the furnace. 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.

It s possible your furnace overheated. But now an electric ignition system have started to replace pilot lights.