{"product_id":"goodman-40-000-btu-80-gas-furnace-14-width-upflow-horizontal-single-stage-115v-r32-1","title":"Goodman - 40,000 BTU 80% Gas Furnace - 14\" Width - Upflow \/ Horizontal - Single Stage - 115V - R32 - GR9S800403AU","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 40,000 BTU 80% Gas Furnace - 14\" Width - Upflow \/ Horizontal - Single Stage - 115V - R32 - GR9S800403AU\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe GR9S800403AU Goodman gas furnace features high-quality construction and efficient operation at a great value. The GR9S800403AU 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 GR9S800403AU.\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 smaller house (depending on climate)\u003c\/li\u003e\n\u003cli\u003e40,000 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 (right or left) 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\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-wa1i{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 class=\"tg-wa1i\"\u003eSKU\u003c\/th\u003e\n\u003cth class=\"tg-cly1\"\u003eGR9S800403AU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eWeight (in lbs)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e90.000000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eAHRI Certificate Number\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e207599840\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\u003eHeating BTU\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e40,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\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-wa1i\"\u003eMaximum CFM\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\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-wa1i\"\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-wa1i\"\u003eMax Breaker Size\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e15 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eMin. Breaker Size\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e9.1 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\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-wa1i\"\u003eWidth\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e14\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\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\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul data-start=\"94\" data-end=\"666\"\u003e\n\u003cli data-section-id=\"1cx8lnz\" data-start=\"94\" data-end=\"167\"\u003e\n\u003cp data-start=\"96\" data-end=\"167\"\u003e\u003cstrong data-start=\"96\" data-end=\"118\"\u003eEfficient Heating:\u003c\/strong\u003e 40,000 BTU output warms small spaces reliably.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14a9u84\" data-start=\"168\" data-end=\"257\"\u003e\n\u003cp data-start=\"170\" data-end=\"257\"\u003e\u003cstrong data-start=\"170\" data-end=\"193\"\u003eEnergy Performance:\u003c\/strong\u003e 80% AFUE balances heating efficiency with cost-effectiveness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ifnfgv\" data-start=\"258\" data-end=\"344\"\u003e\n\u003cp data-start=\"260\" data-end=\"344\"\u003e\u003cstrong data-start=\"260\" data-end=\"286\"\u003eFlexible Installation:\u003c\/strong\u003e 14\" compact width supports upflow or horizontal setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"21ujl\" data-start=\"345\" data-end=\"420\"\u003e\n\u003cp data-start=\"347\" data-end=\"420\"\u003e\u003cstrong data-start=\"347\" data-end=\"370\"\u003eReliable Operation:\u003c\/strong\u003e Single-stage design ensures consistent heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"eji7vc\" data-start=\"421\" data-end=\"510\"\u003e\n\u003cp data-start=\"423\" data-end=\"510\"\u003e\u003cstrong data-start=\"423\" data-end=\"444\"\u003eEasy Integration:\u003c\/strong\u003e 115V power supply compatible with standard residential systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ql9k2j\" data-start=\"511\" data-end=\"590\"\u003e\n\u003cp data-start=\"513\" data-end=\"590\"\u003e\u003cstrong data-start=\"513\" data-end=\"531\"\u003eDurable Build:\u003c\/strong\u003e Engineered for long-term reliability in varied climates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tz6pdi\" data-start=\"591\" data-end=\"666\"\u003e\n\u003cp data-start=\"593\" data-end=\"666\"\u003e\u003cstrong data-start=\"593\" data-end=\"613\"\u003eQuiet Operation:\u003c\/strong\u003e Optimized for minimal noise during heating cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"130\" data-end=\"340\"\u003e\u003cstrong data-start=\"130\" data-end=\"182\"\u003eQ: What size space is this furnace designed for?\u003c\/strong\u003e\u003cbr data-start=\"182\" data-end=\"185\"\u003eA: With \u003cstrong data-start=\"193\" data-end=\"224\"\u003e40,000 BTU heating capacity\u003c\/strong\u003e, this unit is ideal for \u003cstrong data-start=\"249\" data-end=\"291\"\u003esmall to medium homes or heating zones\u003c\/strong\u003e, depending on insulation and climate conditions.\u003c\/p\u003e\n\u003cp data-start=\"342\" data-end=\"535\"\u003e\u003cstrong data-start=\"342\" data-end=\"379\"\u003eQ: How efficient is this furnace?\u003c\/strong\u003e\u003cbr data-start=\"379\" data-end=\"382\"\u003eA: It has an \u003cstrong data-start=\"395\" data-end=\"425\"\u003e80% AFUE efficiency rating\u003c\/strong\u003e, meaning about \u003cstrong data-start=\"441\" data-end=\"490\"\u003e80% of the fuel is converted into usable heat\u003c\/strong\u003e — a solid standard for reliable performance.\u003c\/p\u003e\n\u003cp data-start=\"537\" data-end=\"729\"\u003e\u003cstrong data-start=\"537\" data-end=\"591\"\u003eQ: What installation configurations are supported?\u003c\/strong\u003e\u003cbr data-start=\"591\" data-end=\"594\"\u003eA: Designed for both \u003cstrong data-start=\"615\" data-end=\"640\"\u003eUpflow and Horizontal\u003c\/strong\u003e installation, offering flexible placement in basements, closets, attics or crawl spaces.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"917\"\u003e\u003cstrong data-start=\"731\" data-end=\"768\"\u003eQ: What does “single stage” mean?\u003c\/strong\u003e\u003cbr data-start=\"768\" data-end=\"771\"\u003eA: A \u003cstrong data-start=\"776\" data-end=\"802\"\u003esingle‑stage gas valve\u003c\/strong\u003e operates at full output whenever the thermostat calls for heat, providing \u003cstrong data-start=\"877\" data-end=\"916\"\u003estraightforward, dependable heating\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"919\" data-end=\"1067\"\u003e\u003cstrong data-start=\"919\" data-end=\"963\"\u003eQ: What are the electrical requirements?\u003c\/strong\u003e\u003cbr data-start=\"963\" data-end=\"966\"\u003eA: Operates on \u003cstrong data-start=\"981\" data-end=\"1009\"\u003e115 V single‑phase power\u003c\/strong\u003e, which is standard for residential furnace installations.\u003c\/p\u003e\n\u003cp data-start=\"1069\" data-end=\"1209\"\u003e\u003cstrong data-start=\"1069\" data-end=\"1114\"\u003eQ: What type of blower motor does it use?\u003c\/strong\u003e\u003cbr data-start=\"1114\" data-end=\"1117\"\u003eA: Features a \u003cstrong data-start=\"1131\" data-end=\"1163\"\u003emulti‑speed ECM blower motor\u003c\/strong\u003e for quieter operation and consistent airflow.\u003c\/p\u003e\n\u003cp data-start=\"1211\" data-end=\"1401\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1256\"\u003eQ: What fuel and venting does it require?\u003c\/strong\u003e\u003cbr data-start=\"1256\" data-end=\"1259\"\u003eA: Runs on \u003cstrong data-start=\"1270\" data-end=\"1285\"\u003enatural gas\u003c\/strong\u003e and is typically \u003cstrong data-start=\"1303\" data-end=\"1355\"\u003econvertible to LP (propane) with an optional kit\u003c\/strong\u003e; requires \u003cstrong data-start=\"1366\" data-end=\"1388\"\u003emetal flue venting\u003c\/strong\u003e for exhaust.\u003c\/p\u003e\n\u003cp data-start=\"1403\" data-end=\"1567\"\u003e\u003cstrong data-start=\"1403\" data-end=\"1462\"\u003eQ: Is this furnace compatible with modern HVAC systems?\u003c\/strong\u003e\u003cbr data-start=\"1462\" data-end=\"1465\"\u003eA: Yes — it integrates with standard split‑system HVAC setups and R‑32 compatible refrigerant systems.\u003c\/p\u003e\n\u003cp data-start=\"1569\" data-end=\"1711\"\u003e\u003cstrong data-start=\"1569\" data-end=\"1602\"\u003eQ: What are the key benefits?\u003c\/strong\u003e\u003cbr data-start=\"1602\" data-end=\"1605\"\u003eA: \u003cstrong data-start=\"1608\" data-end=\"1711\"\u003eReliable heating, simple operation, flexible installation, quiet blower, and affordable efficiency.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"19v370a\" data-start=\"109\" data-end=\"189\"\u003e\n\u003cp data-start=\"111\" data-end=\"189\"\u003e\u003cstrong data-start=\"111\" data-end=\"151\"\u003eReplace air filters every 1–3 months\u003c\/strong\u003e to maintain airflow and efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vr96zn\" data-start=\"190\" data-end=\"264\"\u003e\n\u003cp data-start=\"192\" data-end=\"264\"\u003eKeep \u003cstrong data-start=\"197\" data-end=\"230\"\u003esupply and return vents clear\u003c\/strong\u003e of furniture, dust, and debris.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iif3ij\" data-start=\"265\" data-end=\"342\"\u003e\n\u003cp data-start=\"267\" data-end=\"342\"\u003eMaintain \u003cstrong data-start=\"276\" data-end=\"320\"\u003e2–3 feet of clearance around the furnace\u003c\/strong\u003e for safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uwl0t6\" data-start=\"343\" data-end=\"432\"\u003e\n\u003cp data-start=\"345\" data-end=\"432\"\u003eInspect the \u003cstrong data-start=\"357\" data-end=\"382\"\u003econdensate drain line\u003c\/strong\u003e periodically to prevent clogs and water damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"znt9tc\" data-start=\"433\" data-end=\"513\"\u003e\n\u003cp data-start=\"435\" data-end=\"513\"\u003e\u003cstrong data-start=\"435\" data-end=\"478\"\u003eCheck thermostat settings and operation\u003c\/strong\u003e to ensure proper heating cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tmmhoi\" data-start=\"514\" data-end=\"580\"\u003e\n\u003cp data-start=\"516\" data-end=\"580\"\u003eExamine \u003cstrong data-start=\"524\" data-end=\"554\"\u003event pipes and connections\u003c\/strong\u003e for leaks or blockages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bnafog\" data-start=\"581\" data-end=\"681\"\u003e\n\u003cp data-start=\"583\" data-end=\"681\"\u003eListen for \u003cstrong data-start=\"594\" data-end=\"612\"\u003eunusual noises\u003c\/strong\u003e such as rattling or humming, which may indicate mechanical issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xqr6xe\" data-start=\"682\" data-end=\"760\"\u003e\n\u003cp data-start=\"684\" data-end=\"760\"\u003eClean \u003cstrong data-start=\"690\" data-end=\"734\"\u003eblower compartment and internal surfaces\u003c\/strong\u003e to reduce dust buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10b2gmo\" data-start=\"761\" data-end=\"843\"\u003e\n\u003cp data-start=\"763\" data-end=\"843\"\u003eTest \u003cstrong data-start=\"768\" data-end=\"797\"\u003ecarbon monoxide detectors\u003c\/strong\u003e to ensure safe operation with gas furnaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j76b0c\" data-start=\"844\" data-end=\"957\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"846\" data-end=\"957\" data-is-last-node=\"\"\u003eSchedule \u003cstrong data-start=\"855\" data-end=\"890\"\u003eannual professional maintenance\u003c\/strong\u003e to inspect burners, heat exchanger, gas connections, and controls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":43533437698122,"sku":"GR9S800403AU","price":1350.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/80_upflow_frontleft-800x800_7a95e212-26dc-49be-81e4-6a6d04e5ba3c.webp?v=1776875778","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/goodman-40-000-btu-80-gas-furnace-14-width-upflow-horizontal-single-stage-115v-r32-1","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}