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 ...