The PS80 gas furnaces have an AFUE rating of 80 percent. This line of furnaces features models that can be installed in upflow, downflow, horizontal left, or horizontal right configurations, with no ...
The redesigned multipoise 90-plus percent AFUE SmartComfortâ„¢ VS 90 gas furnace has an internal trap installed in the furnace. It offers high-efficiency, two-stage operation and a variable-speed ...
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