Hello, I am visiting my uncle and his natural gas furnace is not working for forced air heating. There is hot water in the house, but I cannot get heat. I replaced the thermostat and can't even get the blower to operate in ON, never mind AUTO. He says it has been very temperamental lately where...

We have the Carrier 9200 gas heat/cool unit (indoor). We followed the reset instructions and the fan is blowing but we're still getting cool air. What causes it to blow out only cool air and not warm? What else can we do. Again, our home is mainly gas and our oven works fine. I tested the Air...

We have a Carrier 9200 natural gas heat/air unit. The control box upstairs says HEAT and Heat ON but nothing is coming out of the vents. When we turn the FAN on, it blows out cold air but no heat. I have run the unit w/o the fan so I don't run up the elec bill... is there a RESET switch we can...

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...