Troubleshooting a Gas Furnace - Furnace Repair
The Gas Furnace
The gas furnace is an appliance looking like a large box that does the following:
- takes in cold air,
- cleans it with an air filter,
- heats it up with a gas burner using a stainless steel heat exchanger,
- distributes the warm air with a blower motor through your home’s ductwork
The heated air then cools down in your home’s various rooms and returns to the furnace through return air grills and ductwork.
The cold returning air enters back through the air filter into the furnace to complete another heating loop.
