The model 355CAV Plus 95s™ 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 ...
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 ...
Not only is the size of the newer furnaces smaller, but your old furnace was probably only 65 percent efficient, while today’s range anywhere from 80 percent efficient up to 97 percent efficient. Gary ...
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