Now that winter's nearly here, it's time for a pop quiz: You wake up in the morning and there's ice on the dog's water dish. What do you do? If you had trouble with that one, it's time for a quick ...

Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years. When you respond to the customer’s complaint of “no heat,” you ...

Rushed furnace installations routinely crack heat exchangers, clog gas valves, and create CO risks long before the first ...

Derived from the Latin word fornax, meaning oven, a furnace is a large heating appliance designed to evenly distribute heat throughout a building. Furnaces accomplish this by burning fuel internally ...