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.

Newly-manufactured indoor residential gas furnaces will have to be at least 95% efficient starting in late 2028 under a new rule issued by the U.S. Department of Energy (DOE). In an effort to save ...

Shopping for a gas furnace? Read about types, features, and other must-know topics in our gas furnace buying guide to make an ...

What are some home heating mistakes you can correct to save energy and money? Learn the top home heating mistakes that homeowners commonly make.

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...