This is an all electric mobile home that has an outside air conditioner with heating system. It is blowing cold air when the heat is turned on at the thermoniter.

I have a gas furnace and it sometimes will work perfectly fine and blow hot air and then other times it will be lukewarm. The high limit switch was replaced. What would be the other issue of not having consistent hot air coming out of blower?

I turned my furnace on for the first time this fall and it is not heating. The blower works And is blowing cold air. The furnace is a forced air furnace. I have lived in this townhouse for about two years and not sure what to do. Have called a couple people but everyone is really busy right...

I have a 30yr old Tappan Gas Furnace. I replaced the blower motor and wheel. Furnace now keeps running and running to just make a few degrees difference in the house. Air ducts now feel too hot and I can't feel much air coming out of the ducts. Is this a failed fan/heat limit switch?

Ours is a 2 level house (1995), both levels heated by the same furnace ( YORK Multiposition Gas-Fired Furnace MODEL P2MP 32-112 MBH OUTPUT) . We have two digital thermostats (Hunter Programmable type) located on each floor. We were out for a few days and when we came back the lower level is getting...