Most noncondensing residential furnaces use natural draft to drive the combustion process. Even 80%-AFUE furnaces with combustion blowers are natural-draft furnaces. The combustion blower in an 80% ...
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 ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback