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The Goodman GR9S960804CN is a high-efficiency residential gas furnace with 80,000 BTU input and 76,800 BTU output at 96% AFUE. It pairs single-stage gas heating with a nine-speed ECM blower, so airflow can be tuned across several settings rather than fixed at one speed. Its 21-inch cabinet is the wider configuration in the GR9S96 family, sized to pair with up to 4 tons of cooling. It suits homeowners replacing an aging furnace in a larger or multi-zone home who want high-efficiency heat and a blower that can match a big A/C coil.
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Owners and installers rate the GR9S96 series well overall, praising its efficiency and the quiet, flexible ECM blower. Complaints center on control board and blower motor failures and on the need for proper condensate drainage.
The Goodman GR9S960804CN is a residential condensing gas furnace in Goodman's GR9S96 series. It has an 80,000 BTU heating input and a rated heating output of 76,800 BTU. Its efficiency rating is 96% AFUE.
Heating is single-stage, with one rated gas heating stage. The nine-speed ECM blower gives multiple airflow settings. It runs on natural gas and supports upflow and horizontal configurations.
The cabinet is 21 inches wide, wider than the 17.5-inch configuration in the same series. This configuration is listed for air conditioning capacity of up to 4 tons.
