The Evolution® 987M is a fully modulating gas furnace with load matching performance that delivers up to 98.3 percent AFUE. A modulating gas valve is capable of adjusting from 40 to 100 percent of ...
The Coleman modulating gas furnaces that achieve 98 percent Annual Fuel Utilization Efficiency (AFUE), such as the Echelon™ 33-inch, variable-speed modulating gas furnaces with electronically ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback