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 ...

A furnace heat exchanger keeps dangerous gases out of the air circulating in the building. It's a must-have on any furnace ...

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 ...

HVAC contractors are increasingly adopting hybrid heating solutions, blending conventional methods with advanced technology to enhance energy efficiency and system performance. One such approach is ...

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 ...