Two manufacturers of plastic venting systems are pushing for a national fuel gas code in the United States that requires Underwriters Laboratories Inc. certification for use in some natural gas-fired ...

With proper care, a flue pipe made of good single-wall steel should last many years. I use a German Weso “tile oven” woodstove for night and sunless-day heating in my passive solar home. The design of ...

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 ...