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The Goodman GR9S921004CN is a 100,000 BTU, 92% AFUE single-stage gas furnace for upflow or horizontal installation. It uses a 9-speed blower and Goodman's heat exchanger, and vents through PVC. It suits medium to large homes in moderate to cold climates. Compared with two-stage or modulating furnaces, it is simpler and less expensive but offers fewer comfort features. Owners and reviewers often praise its value and reliability, though some mention noise and short lifespan.
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Reviewers and owners often praise the Goodman GR9S921004CN for its value and reliability, but some complain about noise and durability. Professional installers note it is straightforward to install and service.
The Goodman GR9S921004CN is a single-stage gas furnace rated at 100,000 BTU with 92% AFUE efficiency. It uses Goodman's heat exchanger technology and a 9-speed design. It is built for medium to large homes, depending on climate.
It can be installed in an upflow or horizontal configuration. It requires plastic/PVC flue venting. It runs on natural gas and can be converted to propane with a conversion kit, which is sold separately.
The furnace is engineered for low noise output and includes electrical safety features. It meets Clean Air Act refrigerant standards.
