The furnace is the hero of a house in winter. But there’s one tiny part inside it that most homeowners don’t even know exists, let alone realize they’re supposed to clean – the flame sensor. Left ...

If your gas furnace keeps cycling on and then turning off within a minute or so, it might be the result of a dirty flame sensor. Most gas furnaces have a small sensor designed to shut off the furnace ...

Your furnace's job is keeping you warm. Get to know the parts of a furnace so it will do that job better and last a lot longer.

A failed furnace can leave you stuck without heat in the dead of winter. Find out when your furnace is most likely to fail ...

Brutally cold weather to start the week with temperatures in the single digits. Several Chicagoland homes have broken furnaces, which is putting HVAC companies working around the clock. One company ...

man with open furnace unit attempting to fix it while reading directions from a tablet - Gregorbister/Getty Images Whether you're wondering if you accidentally switched on air conditioning mode to ...