If you need to purchase a gas-burning forced-air furnace but aren't sure how they work, here's what you need to know.

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.

MAPLE GROVE, Minn — Furnace technicians say the colder it gets, the harder our furnaces have to work to keep our homes warm. This is the time when a lot of the smaller issues in your furnace can turn ...

High-emissivity coatings increase surface emissivity to values between 0.85 and 0.95, remaining stable even at temperatures ...

Heat pumps run on electricity and furnaces run on fossil fuels, natural gas, propane, or oil. Our experts say there's no clear answer for which type is more energy efficient. Location plays a major ...