Gas and oil furnaces burn fuel to provide heat for homes, and that presents a basic problem. Every combustion process produces noxious gases. How do you keep those gases from circulating throughout ...

It’s frustrating when a customer complains that their older, inefficient furnace did a better job heating their home than their new, high-efficiency furnace. Some common issues they mention are that ...

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 ...

Lisa Reed's 20-year-old furnace developed holes and leaks in its heat exchanger, sending dangerous carbon monoxide into her home.