{"product_id":"goodman-100-000-btu-80-low-nox-gas-furnace-21-width-upflow-horizontal-two-stage-115v-r32","title":"Goodman - 100,000 BTU 80% Low NOx Gas Furnace - 21\" Width - Upflow \/ Horizontal - Two Stage - 115V - R32 - GR9S801005CX","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 100,000 BTU 80% Low NOx Gas Furnace - 21\" Width - Upflow \/ Horizontal - Two Stage - 115V - R32 - GR9S801005CX\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe GR9S801005CX Goodman low NOx gas furnace features high-quality construction and efficient operation at a great value. The GR9S801005CX 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 GR9S801005CX.\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 to large house (depending on climate)\u003c\/li\u003e\n\u003cli\u003e100,000 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\u003eCan be converted to an LP furnace with a conversion kit (sold separately)\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-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 colspan=\"2\" class=\"tg-wa1i\"\u003eGoodman 80% 100,000 BTU Single Stage Gas Furnace - 21\" Width - Upflow \/ Horizontal\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eSKU\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eGR9S801005CX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eWeight (in lbs)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e132.000000\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\"\u003e215358062\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\"\u003eLow NOx, New Refrigerant Compliant\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\"\u003e100,000\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 - ECM\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\"\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eHorsepower\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3\/4 HP\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\"\u003e11.3 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\"\u003eLow 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\"\u003ePropane, Natural 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\"\u003e21\"\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\/GR9T80_GD9T80-Install-Manual.pdf?v=1759832887\" rel=\"noopener\" 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\/GR9T80_Specification_Sheet.pdf?v=1759832884\" rel=\"noopener\" 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=\"1f1w5ei\" data-start=\"29\" data-end=\"261\"\u003e\n\u003cp data-start=\"31\" data-end=\"261\"\u003e\u003cstrong data-start=\"31\" data-end=\"61\"\u003ePowerful 100 k BTU Output:\u003c\/strong\u003e Designed to deliver \u003cstrong data-start=\"82\" data-end=\"97\"\u003e100,000 BTU\u003c\/strong\u003e of heating input, this furnace easily handles comfort needs in \u003cstrong data-start=\"161\" data-end=\"187\"\u003emedium to larger homes\u003c\/strong\u003e with consistent, reliable warmth. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cprqi8\" data-start=\"262\" data-end=\"493\"\u003e\n\u003cp data-start=\"264\" data-end=\"493\"\u003e\u003cstrong data-start=\"264\" data-end=\"289\"\u003e80 % AFUE Efficiency:\u003c\/strong\u003e Converts \u003cstrong data-start=\"299\" data-end=\"332\"\u003e80 % of fuel into usable heat\u003c\/strong\u003e, offering \u003cstrong data-start=\"343\" data-end=\"373\"\u003ecost‑effective performance\u003c\/strong\u003e while keeping installation and maintenance simpler than high‑efficiency models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1l43dz\" data-start=\"494\" data-end=\"699\"\u003e\n\u003cp data-start=\"496\" data-end=\"699\"\u003e\u003cstrong data-start=\"496\" data-end=\"518\"\u003eLow NOx Emissions:\u003c\/strong\u003e Built to meet \u003cstrong data-start=\"533\" data-end=\"564\"\u003eLow NOx emissions standards\u003c\/strong\u003e, helping reduce nitrogen oxide output for better environmental performance in regulated areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bhvjoy\" data-start=\"700\" data-end=\"910\"\u003e\n\u003cp data-start=\"702\" data-end=\"910\"\u003e\u003cstrong data-start=\"702\" data-end=\"727\"\u003eSingle‑Stage Comfort:\u003c\/strong\u003e \u003cstrong data-start=\"728\" data-end=\"754\"\u003eSingle‑stage gas valve\u003c\/strong\u003e provides predictable, steady heat without complexity—ideal for homeowners who prioritize simplicity and durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3pwpj4\" data-start=\"911\" data-end=\"1126\"\u003e\n\u003cp data-start=\"913\" data-end=\"1126\"\u003e\u003cstrong data-start=\"913\" data-end=\"948\"\u003eFlexible Upflow\/Horizontal Fit:\u003c\/strong\u003e Supports \u003cstrong data-start=\"958\" data-end=\"997\"\u003eupflow and horizontal installations\u003c\/strong\u003e, making it easier to fit in \u003cstrong data-start=\"1026\" data-end=\"1085\"\u003eattics, basements, closets, and tight mechanical spaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"127y2m7\" data-start=\"1127\" data-end=\"1315\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1315\"\u003e\u003cstrong data-start=\"1129\" data-end=\"1156\"\u003eMulti‑Speed ECM Blower:\u003c\/strong\u003e The \u003cstrong data-start=\"1161\" data-end=\"1189\"\u003e9‑speed ECM blower motor\u003c\/strong\u003e improves airflow control and quiet operation, enhancing overall comfort distribution. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kkmlbo\" data-start=\"1316\" data-end=\"1505\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1505\"\u003e\u003cstrong data-start=\"1318\" data-end=\"1350\"\u003eR‑32 Refrigerant Compatible:\u003c\/strong\u003e Designed to pair with \u003cstrong data-start=\"1373\" data-end=\"1404\"\u003eR‑32 compliant HVAC systems\u003c\/strong\u003e, ensuring modern compatibility for paired cooling equipment. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ogjxbn\" data-start=\"1506\" data-end=\"1724\"\u003e\n\u003cp data-start=\"1508\" data-end=\"1724\"\u003e\u003cstrong data-start=\"1508\" data-end=\"1541\"\u003eDurable, Service‑Ready Build:\u003c\/strong\u003e Heavy‑gauge cabinet, self‑diagnostic control board, hot‑surface ignitor, and color‑coded terminals help simplify installation and maintenance.\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=\"0\" data-end=\"362\"\u003e\u003cstrong data-start=\"0\" data-end=\"122\"\u003eQ: What heating capacity and efficiency does the \u003cstrong data-start=\"51\" data-end=\"111\"\u003eGoodman GR9S801005CX 100 000 BTU 80% Low NOx Gas Furnace\u003c\/strong\u003e deliver?\u003c\/strong\u003e\u003cbr data-start=\"122\" data-end=\"125\"\u003eA: This unit provides \u003cstrong data-start=\"147\" data-end=\"173\"\u003e100 000 BTU input heat\u003c\/strong\u003e with \u003cstrong data-start=\"179\" data-end=\"202\"\u003e80% AFUE efficiency\u003c\/strong\u003e and \u003cstrong data-start=\"207\" data-end=\"239\"\u003eLow NOx emissions compliance\u003c\/strong\u003e, delivering reliable, cost‑effective warmth while reducing nitrogen oxide emissions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"364\" data-end=\"532\"\u003e\u003cstrong data-start=\"364\" data-end=\"417\"\u003eQ: What type of gas valve and stages does it use?\u003c\/strong\u003e\u003cbr data-start=\"417\" data-end=\"420\"\u003eA: It features a \u003cstrong data-start=\"437\" data-end=\"463\"\u003esingle‑stage gas valve\u003c\/strong\u003e for consistent heating output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"534\" data-end=\"767\"\u003e\u003cstrong data-start=\"534\" data-end=\"588\"\u003eQ: What blower and motor does the furnace include?\u003c\/strong\u003e\u003cbr data-start=\"588\" data-end=\"591\"\u003eA: The furnace uses a \u003cstrong data-start=\"613\" data-end=\"663\"\u003emulti‑speed ECM blower motor (up to ~2000 CFM)\u003c\/strong\u003e to provide quieter, efficient airflow and better comfort control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"769\" data-end=\"996\"\u003e\u003cstrong data-start=\"769\" data-end=\"821\"\u003eQ: What installation orientations are supported?\u003c\/strong\u003e\u003cbr data-start=\"821\" data-end=\"824\"\u003eA: Designed for \u003cstrong data-start=\"840\" data-end=\"876\"\u003eupflow and horizontal left\/right\u003c\/strong\u003e installation, giving flexibility in basements, attics, closets, or utility rooms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"998\" data-end=\"1238\"\u003e\u003cstrong data-start=\"998\" data-end=\"1059\"\u003eQ: What electrical and venting requirements does it have?\u003c\/strong\u003e\u003cbr data-start=\"1059\" data-end=\"1062\"\u003eA: The unit operates on \u003cstrong data-start=\"1086\" data-end=\"1135\"\u003e115 V, single‑phase, 60 Hz electrical service\u003c\/strong\u003e and requires \u003cstrong data-start=\"1149\" data-end=\"1171\"\u003emetal flue venting\u003c\/strong\u003e for safe combustion exhaust. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1240\" data-end=\"1544\"\u003e\u003cstrong data-start=\"1240\" data-end=\"1301\"\u003eQ: What durability and performance features are included?\u003c\/strong\u003e\u003cbr data-start=\"1301\" data-end=\"1304\"\u003eA: Includes a \u003cstrong data-start=\"1318\" data-end=\"1347\"\u003eheavy‑gauge steel cabinet\u003c\/strong\u003e, \u003cstrong data-start=\"1349\" data-end=\"1380\"\u003edurable hot surface igniter\u003c\/strong\u003e, \u003cstrong data-start=\"1382\" data-end=\"1415\"\u003eself‑diagnostic control board\u003c\/strong\u003e, and \u003cstrong data-start=\"1421\" data-end=\"1458\"\u003ecolor‑coded low‑voltage terminals\u003c\/strong\u003e for reliable operation and easier installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1546\" data-end=\"1725\"\u003e\u003cstrong data-start=\"1546\" data-end=\"1586\"\u003eQ: What are the physical dimensions?\u003c\/strong\u003e\u003cbr data-start=\"1586\" data-end=\"1589\"\u003eA: Measures approximately \u003cstrong data-start=\"1615\" data-end=\"1644\"\u003e33 3\/8″ H × 21″ W × 28″ D\u003c\/strong\u003e, fitting standard residential HVAC spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1727\" data-end=\"1923\"\u003e\u003cstrong data-start=\"1727\" data-end=\"1764\"\u003eQ: What fuel types are supported?\u003c\/strong\u003e\u003cbr data-start=\"1764\" data-end=\"1767\"\u003eA: Factory configured for \u003cstrong data-start=\"1793\" data-end=\"1808\"\u003enatural gas\u003c\/strong\u003e and can often be converted to \u003cstrong data-start=\"1839\" data-end=\"1855\"\u003eLP (propane)\u003c\/strong\u003e with a proper conversion kit.\u003c\/p\u003e\n\u003ch5 style=\"font-weight: bold;\"\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69afaf41-d0e0-8323-a3ce-642acad1b445-14\" data-testid=\"conversation-turn-52\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e330ec2b-04f9-40d9-8b53-74574174eb75\" dir=\"auto\" data-message-model-slug=\"gpt-5-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cul data-start=\"126\" data-end=\"1115\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1djnsnx\" data-start=\"126\" data-end=\"258\"\u003e\n\u003cp data-start=\"128\" data-end=\"258\"\u003e\u003cstrong data-start=\"128\" data-end=\"177\"\u003eReplace or clean air filters every 1–3 months\u003c\/strong\u003e to maintain airflow and prevent dust buildup on the heat exchanger and blower.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10qtrqu\" data-start=\"259\" data-end=\"366\"\u003e\n\u003cp data-start=\"261\" data-end=\"366\"\u003e\u003cstrong data-start=\"261\" data-end=\"300\"\u003eInspect the heat exchanger annually\u003c\/strong\u003e for cracks or corrosion to ensure safe and efficient operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kaoyo1\" data-start=\"367\" data-end=\"468\"\u003e\n\u003cp data-start=\"369\" data-end=\"468\"\u003e\u003cstrong data-start=\"369\" data-end=\"423\"\u003eClean burners, pilot assembly, and ignition system\u003c\/strong\u003e to maintain reliable two-stage combustion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1254v5x\" data-start=\"469\" data-end=\"557\"\u003e\n\u003cp data-start=\"471\" data-end=\"557\"\u003e\u003cstrong data-start=\"471\" data-end=\"514\"\u003eCheck the blower motor and fan assembly\u003c\/strong\u003e for dust, debris, and lubrication needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1166k52\" data-start=\"558\" data-end=\"665\"\u003e\n\u003cp data-start=\"560\" data-end=\"665\"\u003e\u003cstrong data-start=\"560\" data-end=\"593\"\u003eInspect venting and flue pipe\u003c\/strong\u003e for obstructions or leaks to ensure safe exhaust of combustion gases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o4r5y0\" data-start=\"666\" data-end=\"760\"\u003e\n\u003cp data-start=\"668\" data-end=\"760\"\u003e\u003cstrong data-start=\"668\" data-end=\"724\"\u003eTest gas valves, two-stage operation, and thermostat\u003c\/strong\u003e for accurate temperature control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k6tnyv\" data-start=\"761\" data-end=\"845\"\u003e\n\u003cp data-start=\"763\" data-end=\"845\"\u003e\u003cstrong data-start=\"763\" data-end=\"801\"\u003eVerify 115V electrical connections\u003c\/strong\u003e and inspect wiring for wear or corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2yw85n\" data-start=\"846\" data-end=\"926\"\u003e\n\u003cp data-start=\"848\" data-end=\"926\"\u003e\u003cstrong data-start=\"848\" data-end=\"879\"\u003eKeep surrounding area clear\u003c\/strong\u003e to maintain airflow and reduce fire hazards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ioe2q\" data-start=\"927\" data-end=\"1027\"\u003e\n\u003cp data-start=\"929\" data-end=\"1027\"\u003e\u003cstrong data-start=\"929\" data-end=\"974\"\u003eSchedule annual professional HVAC service\u003c\/strong\u003e for full inspection, cleaning, and safety testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1orv5b3\" data-start=\"1028\" data-end=\"1115\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1115\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1055\"\u003eRegister your furnace\u003c\/strong\u003e to activate warranty coverage and maintain service records\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":43533438419018,"sku":"GR9S801005CX","price":1184.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/80_upflow_frontleft-800x800_92434476-a1f1-41a2-9ede-1c1f474f90f7.webp?v=1776875823","url":"https:\/\/wen0d6-q0.myshopify.com\/products\/goodman-100-000-btu-80-low-nox-gas-furnace-21-width-upflow-horizontal-two-stage-115v-r32","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}