Please help! We're hosting Thanksgiving dinner for family & the heater in my basement does not blow hot air at all. The hetaing unit blows cool air only. I switched to A/C and it also blows cool air only. Any suggestions prior to calling repairman? In the spirit of Thanksgiving my cold...

I have central heat/air in my rental house. My heater is gas, not electric. My furnace has been said to be running fine but for some reason the air coming out the vents is not hot. The vents closer to the furnace (which is in the garage) produces luke warm air, but as you get farther from the...

My furnace will turn on and blow cold air at times. When I notice it I can turn it off on the thermostat and then turn it back on check the furnace and it lights up and blows hot air. I have also just pulled the panel off the furnace to trip the switch on it and then put the panel back on and the...

My home heater comes on, blows hot air for 10 to 15 minutes, then cold air until we turn it off. If we leave it off for about 30 minutes, it blows hot air again, for 10 to 15 minutes, then cold again. What do you think is the cause?

I have a carrier gas pack unit and the cooling part works properly. It's starting to get cold, so I turned on the heat, but only cold air blows out of it. I've contacted my gas company and they said there is no pilot light, so there is no way it could've gone out, and theytold me I should contact...