"It's Friday, and it's cold out." Nervous homeowner shares concerning video of flickering furnace flame during bitter cold ...

Learn all about your furnace pilot light — where it is, what it does, and how to troubleshoot the most common issue.

There are four types of furnaces: natural gas, electric, oil, and propane. "If you see a visible flame or hear a burner sound while it's operating, you have a gas furnace," says Max Veggeberg, CEO and ...