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 ...

Derived from the Latin word fornax, meaning oven, a furnace is a large heating appliance designed to evenly distribute heat throughout a building. Furnaces accomplish this by burning fuel internally ...

CNET contributor Don Reisinger is a technology columnist who has covered everything from HDTVs to computers to Flowbee Haircut Systems. Besides his work with CNET, Don's work has been featured in a ...

Rushed furnace installations routinely crack heat exchangers, clog gas valves, and create CO risks long before the first heating season is over.

Sales of super-efficient electric heat pumps are rising, now overtaking sales of gas furnaces in the U.S. But what are heat pumps? And why do some call them a key climate solution? Here are the ...

Nearly half of American households rely on gas appliances for heating, according to the U.S. Census Bureau. Around 61 million water heaters, 58 million furnaces and 20 million dryers are powered by ...

A new push in the Bay Area to phase out natural gas furnaces and water heaters is getting some scrutiny as it comes with hidden costs for homeowners. Chris Guslani has been in the water heater ...