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 ...
Most of us grew up with what seemed like a scary furnace that lived in the basement. It made creepy noises when it started up, and usually overheated the house before it finally shut off. And forget ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback