{"product_id":"goodman-80-000-btu-80-gas-furnace-17-5-width-upflow-horizontal-single-stage-115v-r32-1","title":"Goodman - 80,000 BTU 80% Gas Furnace - 17.5\" Width - Upflow \/ Horizontal - Single Stage - 115V - R32 - GR9S800804BU","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 80,000 BTU 80% Gas Furnace - 17.5\" Width - Upflow \/ Horizontal - Single Stage - 115V - R32 - GR9S800804BU\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe GR9S800804BU Goodman gas furnace features high-quality construction and efficient operation at a great value. The GR9S800804BU single-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating to your home. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the Goodman GR9S800804BU.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eThis furnace is ideal to heat a medium-sized house (depending on climate)\u003c\/li\u003e\n\u003cli\u003e80,000 BTU 80% efficient natural gas furnace\u003c\/li\u003e\n\u003cli\u003eRequires metal flue venting\u003c\/li\u003e\n\u003cli\u003eCan be used in the upflow or horizontal orientation\u003c\/li\u003e\n\u003cli\u003eUltra-Low NOx Compliant for California\u003c\/li\u003e\n\u003cli\u003eInnovative design for electrical efficiency, safety, and lower sound output\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-cly1{text-align:left;vertical-align:middle}\n.tg .tg-4x00{background-color:#ffffff;border-color:#000000;color:#000000;font-weight:bold;text-align:center;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" class=\"tg-4x00\"\u003eGoodman 80% 80,000 BTU Single Stage Gas Furnace - 17.5\" Width - Upflow \/ Horizontal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eSKU\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eGR9S800804BU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eWeight (in lbs)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e120.000000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eAHRI Certificate Number\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e207599843\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eAirflow Direction\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eUpflow\/Horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eExhaust Flue Requirement\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eR-32 Compliant\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eBrand\/Manufacturer\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eGoodman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eProduct Features\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eNew Refrigerant Compliant, Ultra-Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eFurnace Efficiency \/ AFUE\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eHeating BTU\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e80,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eBlower Motor\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e9-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eMaximum CFM\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e1760\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eUpflow\/Horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eElectrical\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e115 V. 1 Phase 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eMax Breaker Size\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e20 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eMin. Breaker Size\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e12.7 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eLow NOx\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eUltra Low NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eBurner Stages\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eHeight\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e33 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eWidth\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e17 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-4x00\"\u003eDepth\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e28\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eManual\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GR9S80_GD9S80-Install-Manual.pdf?v=1759910039\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eInstallation Manual\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GR9S80_Product_Specs.pdf?v=1759910035\" target=\"_blank\"\u003e\u003cstrong\u003eSpecifications Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 style=\"font-weight: bold;\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1o8v7eq\" data-start=\"27\" data-end=\"235\"\u003e\n\u003cp data-start=\"29\" data-end=\"235\"\u003e\u003cstrong data-start=\"29\" data-end=\"60\"\u003eReliable, Everyday Heating:\u003c\/strong\u003e The \u003cstrong data-start=\"65\" data-end=\"106\" data-is-only-node=\"\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eGoodman GR9S800804BU Gas Furnace\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e offers \u003cstrong data-start=\"114\" data-end=\"142\"\u003e80,000 BTU with 80% AFUE\u003c\/strong\u003e, delivering \u003cstrong data-start=\"155\" data-end=\"182\"\u003esteady, dependable heat\u003c\/strong\u003e for year‑round comfort in \u003cstrong data-start=\"209\" data-end=\"234\"\u003esmall to medium homes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8etl5e\" data-start=\"237\" data-end=\"418\"\u003e\n\u003cp data-start=\"239\" data-end=\"418\"\u003e\u003cstrong data-start=\"239\" data-end=\"282\"\u003eStraightforward Single‑Stage Operation:\u003c\/strong\u003e The \u003cstrong data-start=\"287\" data-end=\"310\" data-is-only-node=\"\"\u003esingle‑stage design\u003c\/strong\u003e provides \u003cstrong data-start=\"320\" data-end=\"373\"\u003econsistent warmth with simple, proven performance\u003c\/strong\u003e, making it \u003cstrong data-start=\"385\" data-end=\"417\"\u003eeasy to install and maintain\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6amgow\" data-start=\"420\" data-end=\"619\"\u003e\n\u003cp data-start=\"422\" data-end=\"619\"\u003e\u003cstrong data-start=\"422\" data-end=\"449\"\u003eCompact \u0026amp; Flexible Fit:\u003c\/strong\u003e With a \u003cstrong data-start=\"457\" data-end=\"481\" data-is-only-node=\"\"\u003e17.5\" narrow cabinet\u003c\/strong\u003e, this furnace supports both \u003cstrong data-start=\"510\" data-end=\"549\"\u003eupflow and horizontal installations\u003c\/strong\u003e, fitting well in \u003cstrong data-start=\"567\" data-end=\"618\"\u003etight spaces like closets, attics, or basements\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e8vspc\" data-start=\"621\" data-end=\"759\"\u003e\n\u003cp data-start=\"623\" data-end=\"759\"\u003e\u003cstrong data-start=\"623\" data-end=\"646\"\u003eGoodman Durability:\u003c\/strong\u003e Built with \u003cstrong data-start=\"658\" data-end=\"708\" data-is-only-node=\"\"\u003equality components and a robust heat exchanger\u003c\/strong\u003e, engineered for \u003cstrong data-start=\"725\" data-end=\"758\"\u003edependable everyday operation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hl0gku\" data-start=\"761\" data-end=\"958\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"763\" data-end=\"958\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"763\" data-end=\"786\"\u003eGreat Value Choice:\u003c\/strong\u003e Offers a \u003cstrong data-start=\"796\" data-end=\"831\" data-is-only-node=\"\"\u003ecost‑effective heating solution\u003c\/strong\u003e with \u003cstrong data-start=\"837\" data-end=\"882\"\u003esolid performance and trusted reliability\u003c\/strong\u003e, ideal for \u003cstrong data-start=\"894\" data-end=\"957\"\u003ebudget‑conscious homeowners seeking straightforward comfort\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 style=\"font-weight: bold;\"\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"78\" data-end=\"330\"\u003e\u003cstrong data-start=\"78\" data-end=\"133\"\u003eQ: What heating capacity does this furnace provide?\u003c\/strong\u003e\u003cbr data-start=\"133\" data-end=\"136\"\u003eA: The \u003cstrong data-start=\"143\" data-end=\"167\"\u003eGoodman GR9S800804BU\u003c\/strong\u003e delivers \u003cstrong data-start=\"177\" data-end=\"218\"\u003e80,000 BTU input \/ ~64,000 BTU output\u003c\/strong\u003e, making it suitable for \u003cstrong data-start=\"243\" data-end=\"268\"\u003esmall to medium homes\u003c\/strong\u003e when sized correctly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"332\" data-end=\"586\"\u003e\u003cstrong data-start=\"332\" data-end=\"374\"\u003eQ: What does the 80% AFUE rating mean?\u003c\/strong\u003e\u003cbr data-start=\"374\" data-end=\"377\"\u003eA: \u003cstrong data-start=\"380\" data-end=\"392\"\u003e80% AFUE\u003c\/strong\u003e means about \u003cstrong data-start=\"405\" data-end=\"456\"\u003e80 ¢ of every dollar spent on fuel becomes heat\u003c\/strong\u003e for your home — a solid \u003cstrong data-start=\"481\" data-end=\"510\"\u003estandard efficiency level\u003c\/strong\u003e that balances cost and performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"588\" data-end=\"828\"\u003e\u003cstrong data-start=\"588\" data-end=\"629\"\u003eQ: What type of heating system is it?\u003c\/strong\u003e\u003cbr data-start=\"629\" data-end=\"632\"\u003eA: It’s a \u003cstrong data-start=\"642\" data-end=\"670\"\u003esingle‑stage gas furnace\u003c\/strong\u003e with a \u003cstrong data-start=\"678\" data-end=\"710\"\u003emulti‑speed ECM blower motor\u003c\/strong\u003e, offering \u003cstrong data-start=\"721\" data-end=\"763\"\u003ereliable operation and quieter airflow\u003c\/strong\u003e than traditional motors. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"830\" data-end=\"1056\"\u003e\u003cstrong data-start=\"830\" data-end=\"873\"\u003eQ: Where can this furnace be installed?\u003c\/strong\u003e\u003cbr data-start=\"873\" data-end=\"876\"\u003eA: Designed for \u003cstrong data-start=\"892\" data-end=\"929\"\u003eupflow or horizontal installation\u003c\/strong\u003e, so it fits \u003cstrong data-start=\"942\" data-end=\"989\"\u003eattics, basements, closets, or crawl spaces\u003c\/strong\u003e with horizontal duct runs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1058\" data-end=\"1250\"\u003e\u003cstrong data-start=\"1058\" data-end=\"1100\"\u003eQ: What venting does the unit require?\u003c\/strong\u003e\u003cbr data-start=\"1100\" data-end=\"1103\"\u003eA: Requires \u003cstrong data-start=\"1115\" data-end=\"1137\"\u003emetal flue venting\u003c\/strong\u003e typical of 80% AFUE furnaces (PVC venting is for \u0026gt;90% efficiency units). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1411\"\u003e\u003cstrong data-start=\"1252\" data-end=\"1291\"\u003eQ: What power and electrical specs?\u003c\/strong\u003e\u003cbr data-start=\"1291\" data-end=\"1294\"\u003eA: Operates on \u003cstrong data-start=\"1309\" data-end=\"1338\"\u003e115 V, single‑phase power\u003c\/strong\u003e with typical residential wiring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1413\" data-end=\"1616\"\u003e\u003cstrong data-start=\"1413\" data-end=\"1479\"\u003eQ: Is this furnace compatible with modern refrigerant systems?\u003c\/strong\u003e\u003cbr data-start=\"1479\" data-end=\"1482\"\u003eA: Yes — it’s \u003cstrong data-start=\"1496\" data-end=\"1513\"\u003eR32 compliant\u003c\/strong\u003e, matching modern HVAC refrigerant standards for split systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1618\" data-end=\"1812\"\u003e\u003cstrong data-start=\"1618\" data-end=\"1660\"\u003eQ: Does it offer emissions compliance?\u003c\/strong\u003e\u003cbr data-start=\"1660\" data-end=\"1663\"\u003eA: This model features \u003cstrong data-start=\"1686\" data-end=\"1714\"\u003eUltra‑Low NOx compliance\u003c\/strong\u003e, suitable for areas with stricter emissions requirements.\u003c\/p\u003e\n\u003ch5 style=\"font-weight: bold;\"\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"4i7zti\" data-start=\"74\" data-end=\"200\"\u003e\n\u003cp data-start=\"76\" data-end=\"200\"\u003e\u003cstrong data-start=\"76\" data-end=\"108\"\u003eReplace Air Filters Monthly:\u003c\/strong\u003e Maintain proper airflow and protect the blower; use quality filters every \u003cstrong data-start=\"183\" data-end=\"197\"\u003e1–3 months\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nu3kf3\" data-start=\"201\" data-end=\"310\"\u003e\n\u003cp data-start=\"203\" data-end=\"310\"\u003e\u003cstrong data-start=\"203\" data-end=\"236\"\u003eKeep Vents \u0026amp; Registers Clear:\u003c\/strong\u003e Ensure supply and return vents are unobstructed for consistent heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ht6scn\" data-start=\"311\" data-end=\"435\"\u003e\n\u003cp data-start=\"313\" data-end=\"435\"\u003e\u003cstrong data-start=\"313\" data-end=\"340\"\u003eInspect Venting System:\u003c\/strong\u003e Check intake and exhaust pipes for blockages, corrosion, or damage to ensure safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jkk9ij\" data-start=\"436\" data-end=\"552\"\u003e\n\u003cp data-start=\"438\" data-end=\"552\"\u003e\u003cstrong data-start=\"438\" data-end=\"467\"\u003eClean Around the Furnace:\u003c\/strong\u003e Maintain \u003cstrong data-start=\"477\" data-end=\"500\"\u003e2–3 ft of clearance\u003c\/strong\u003e to prevent dust buildup and allow proper airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mi67mc\" data-start=\"553\" data-end=\"676\"\u003e\n\u003cp data-start=\"555\" data-end=\"676\"\u003e\u003cstrong data-start=\"555\" data-end=\"584\"\u003eMonitor Blower Operation:\u003c\/strong\u003e Single-stage blowers should run steadily and quietly; unusual sounds may indicate issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6bnj8y\" data-start=\"677\" data-end=\"801\"\u003e\n\u003cp data-start=\"679\" data-end=\"801\"\u003e\u003cstrong data-start=\"679\" data-end=\"715\"\u003eCheck Thermostat \u0026amp; Power Supply:\u003c\/strong\u003e Confirm thermostat settings, gas supply, and \u003cstrong data-start=\"761\" data-end=\"777\"\u003e115V circuit\u003c\/strong\u003e are working properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f4oqus\" data-start=\"802\" data-end=\"973\"\u003e\n\u003cp data-start=\"804\" data-end=\"973\"\u003e\u003cstrong data-start=\"804\" data-end=\"845\"\u003eSchedule Annual Professional Service:\u003c\/strong\u003e A licensed HVAC technician should inspect burners, heat exchanger, gas pressure, ignition system, and safety controls yearly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":43533436846154,"sku":"GR9S800804BU","price":1600.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/80_upflow_frontleft-800x800_471b50e2-a61e-4087-a61d-8402c257bbf1.webp?v=1776875724","url":"https:\/\/wen0d6-q0.myshopify.com\/products\/goodman-80-000-btu-80-gas-furnace-17-5-width-upflow-horizontal-single-stage-115v-r32-1","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}