Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

The fan center’s purpose is to control when the indoor fan turns on. Before the integrated gas control board, the indoor fan on gas and oil furnaces would either turn on at the same times as the heat ...

Q: Since I retired, I've noticed our gas forced air furnace takes 4-5 hours to return the house temperature 5 degrees from setback. There are 8 perimeter heat outlets (ranch home) plus 3 in the ...