Today, standard furnaces are 80 percent efficient, while those with a rating of 90 percent or more are considered ...

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 ...

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 ...