{"product_id":"goodman-gr9s800804cn-80000-btu-80-afue-single-stage-upflow-furnace-4ton-21in","title":"Goodman 80,000 BTU 80% AFUE Single-Stage Gas Furnace Upflow\/Horizontal 21\" Cabinet R-32","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSerious heating for medium to large homes — without the high-efficiency price tag. The Goodman GR9S800804CN delivers 80,000 BTU of single-stage heating in a wide 21\" upflow cabinet built for basements, closets, and utility rooms where comfort is non-negotiable but space is at a premium. Pair it with any compatible 2-4 ton R-32 cooling system, and you've got a complete, balanced home comfort solution that's built to last.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy You'll Love It:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e80% AFUE efficiency\u003c\/strong\u003e — converts 80 cents of every energy dollar into heat, keeping operating costs predictable year after year\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e80,000 BTU input \/ 64,000 BTU output\u003c\/strong\u003e — confident, consistent heating for medium to large homes without oversizing or waste\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSingle-stage operation with 9-speed ECM blower\u003c\/strong\u003e — steady, even airflow throughout your home with better humidity control and quieter operation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWide 21\" cabinet\u003c\/strong\u003e — compatible with 2-4 ton R-32 cooling systems, making it a natural fit for retrofit installs and tight mechanical rooms\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUpflow \/ horizontal installation\u003c\/strong\u003e — flexible placement options for basements, closets, or utility spaces\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeavy-duty aluminized-steel tubular heat exchanger\u003c\/strong\u003e — engineered for long-lasting durability and efficient heat transfer\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSelf-diagnosing control board\u003c\/strong\u003e — acts like a \"check engine light\" for your furnace, pinpointing issues fast and cutting service time and costs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLP convertible\u003c\/strong\u003e — easily field-converted to propane with optional kit, expanding your fuel options\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMetal flue venting required\u003c\/strong\u003e — straightforward installation using standard metal duct for safe, code-conforming exhaust\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eR-32 compatible\u003c\/strong\u003e — future-ready refrigerant support for pairing with modern R-32 cooling systems\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eAHRI Certified and ETL Listed\u003c\/strong\u003e — independently verified for safety and performance\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMade in the USA\u003c\/strong\u003e — designed, engineered, and assembled domestically\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eInput: 80,000 BTU | Output: 64,000 BTU\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAFUE: 80%\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCabinet Width: 21\"\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStages: Single\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlower Motor: 9-Speed ECM\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFuel Type: Natural Gas (LP Convertible)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eInstallation: Upflow \/ Horizontal\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eVenting: Metal\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eVoltage: 115V\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCompatible Cooling: 2-4 Ton R-32 Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 10-year limited parts + lifetime heat exchanger warranty with online registration within 60 days of installation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"No Propane Conversion Kit","offer_id":53327248163130,"sku":"GR9S800804CN","price":1386.0,"currency_code":"USD","in_stock":true},{"title":"+ Propane Conversion Kit ($99)","offer_id":53327248195898,"sku":"GR9S800804CN-LPT03","price":1485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/3573\/2538\/files\/GR9S800804CN-s1.png?v=1777309733","url":"https:\/\/hvacmore.com\/products\/goodman-gr9s800804cn-80000-btu-80-afue-single-stage-upflow-furnace-4ton-21in","provider":"HVAC MORE","version":"1.0","type":"link"}