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 ...

Lexie is a former Staff Writer at Forbes Home and has over 6 years of professional experience as a writer and editor in the home improvement space. She's previously worked at sites such as HomeAdvisor ...

Turning on your furnace, you expect warm air, yet sometimes you get just the opposite. When your furnace is blowing cold air, it tells you something is not working properly in the system. The problem ...