The Evolution® 987M A unit with an AFUE of up to 97 percent is available in a new high-efficiency line of gas furnaces. The fully modulating gas furnace has load matching performance. A modulating gas ...
The model 355CAV Plus 95sâ„¢ Condensing Gas Furnace is designed for ultra-high efficient operation with 95 percent AFUE in the upflow position. It is approved for use with natural or propane gas and is ...