{"product_id":"goodman-grvm970804cn-80000-btu-97-afue-upflow-gas-furnace-21in","title":"Goodman 80,000 BTU 97% AFUE Modulating Variable Speed Gas Furnace Upflow\/Horizontal 21\" Cabinet R-32","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSame 80,000 BTU modulating precision — in a wider 21\" cabinet for larger cooling systems. The Goodman GRVM970804CN delivers everything the GRVM970803BN offers — 97% AFUE, true modulating gas valve, variable-speed ECM blower, ComfortBridge™, CoolCloud™, and Energy Star certification — in a wider 21\" upflow cabinet sized for homes with 2-4 ton R-32 cooling systems. The right choice when your installation requires a larger cabinet footprint without sacrificing any of Goodman's most advanced furnace technology.\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\u003e97% AFUE efficiency\u003c\/strong\u003e — converts 97 cents of every energy dollar into heat, the highest efficiency rating available in the entire Goodman furnace lineup\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e80,000 BTU input \/ 77,600 BTU output\u003c\/strong\u003e — powerful, consistent heating for medium to large homes without oversizing or wasted capacity\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSelf-calibrating modulating gas valve\u003c\/strong\u003e — infinitely adjusts output between 40% and 100% to precisely maintain your exact set temperature with virtually no swings or cycling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue variable-speed ECM blower\u003c\/strong\u003e — continuously and intelligently ramps airflow up or down to match exact heating demand for whisper-quiet operation and lower electricity costs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e4-ton blower sizing\u003c\/strong\u003e — specifically engineered to handle the airflow requirements of up to 4-ton R-32 cooling systems in the 21\" cabinet\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEnergy Star certified\u003c\/strong\u003e — independently verified to meet strict energy efficiency guidelines set by the US EPA\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eAuto-Comfort mode\u003c\/strong\u003e — automatically optimizes airflow and temperature balance for whole-home comfort without manual adjustments\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEnhanced dehumidification mode\u003c\/strong\u003e — actively manages indoor humidity levels during cooling season for greater year-round comfort\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eComfortBridge™ communicating technology\u003c\/strong\u003e — enables smarter system communication between components for optimized whole-home comfort and efficiency\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCoolCloud™ Bluetooth app\u003c\/strong\u003e — allows contractors to commission, diagnose, and service the unit directly from a smartphone or tablet without removing the cabinet panels\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUpflow \/ horizontal installation\u003c\/strong\u003e — flexible placement in basements, closets, or utility rooms to suit your home's layout\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\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCertified for direct vent (2-pipe) or non-direct vent (1-pipe)\u003c\/strong\u003e — flexible venting configurations for easier installation in a variety of applications\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLeft or right gas and electrical connections\u003c\/strong\u003e — convenient field flexibility for faster, easier installation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeavy-duty aluminized-steel tubular primary heat exchanger\u003c\/strong\u003e — engineered for long-lasting durability and efficient heat transfer with wrinkle-bend technology\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStainless-steel sloped secondary heat exchanger\u003c\/strong\u003e — improved drainage design extracts maximum heat to achieve the 97% AFUE efficiency rating\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeavy-gauge steel cabinet with less than 2% air leakage\u003c\/strong\u003e — airtight construction minimizes heat loss and reduces sound output\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSilicon nitride igniter\u003c\/strong\u003e — more durable than older hot surface igniters, reducing maintenance calls and replacement costs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSelf-diagnosing control board with constant memory and dual 7-segment display\u003c\/strong\u003e — stores fault codes and displays them clearly for fast, accurate troubleshooting\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCompatible with electronic air cleaners and 120V or 24V humidifiers\u003c\/strong\u003e — seamless indoor air quality integration\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\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePVC\/plastic venting required\u003c\/strong\u003e — high-efficiency condensing operation requires plastic vent pipe, not metal\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eComplies with California Low NOx 40 ng\/J emissions standard\u003c\/strong\u003e — approved for installation in all US states including California\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 modern R-32 cooling systems\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eAHRI Certified, ETL Listed, and Energy Star Qualified\u003c\/strong\u003e — independently verified for safety, performance, and energy efficiency\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\u003ePVC\/Plastic venting required\u003c\/strong\u003e — this is a 97% AFUE condensing furnace and cannot use metal flue venting.\u003c\/p\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: 77,600 BTU\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAFUE: 97%\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\"\u003eGas Valve: Self-Calibrating Modulating\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBlower Motor: True Variable Speed ECM (4-Ton)\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: PVC \/ Plastic — Single or Dual Pipe\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\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCertifications: AHRI, ETL, Energy Star\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":53407884181818,"sku":"GRVM970804CN","price":3294.0,"currency_code":"USD","in_stock":true},{"title":"+ Propane Conversion Kit ($99)","offer_id":53407884214586,"sku":"GRVM970804CN -LPM08","price":3393.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/3573\/2538\/files\/GRVM970804CN-s1.jpg?v=1777917145","url":"https:\/\/hvacmore.com\/products\/goodman-grvm970804cn-80000-btu-97-afue-upflow-gas-furnace-21in","provider":"HVAC MORE","version":"1.0","type":"link"}