{"product_id":"goodman-40-000-btu-80-gas-furnace-14-width-upflow-horizontal-two-stage-115v-r32","title":"Goodman - 40,000 BTU 80% Gas Furnace - 14\" Width - Upflow \/ Horizontal - Two Stage - 115V - R32 - GR9T800403AN","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 40,000 BTU 80% Gas Furnace - 14\" Width - Upflow \/ Horizontal - Two Stage - 115V - R32 - GR9T800403AN\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe GR9T800403AN Goodman gas furnace features high-quality construction and efficient operation at a great value. The GR9T800403AN two-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 GR9T800403AN.\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 small 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 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% 40,000 BTU Two Stage Gas Furnace - 14\" 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\"\u003eGR9T800403AN\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\"\u003e105.000000\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\"\u003e215358017\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\"\u003eReplaces\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eGM9C800403AN, GMEC800403AN\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\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 - 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\"\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\"\u003e115v 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\"\u003e7.7 Amps\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\"\u003eTwo\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\"\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 rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GR9T80_GD9T80-Install-Manual.pdf?v=1759832887\" 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 rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GR9T80_Specification_Sheet.pdf?v=1759832884\" 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\u003cdiv class=\"flex flex-col text-sm pb-25\"\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-69afd425-1a38-8322-9b66-f927fe46754a-4\" data-testid=\"conversation-turn-26\" 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=\"b9d39231-fd04-4ab7-b86a-fd7f85257693\" 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=\"27\" data-end=\"1165\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1yw3lel\" data-start=\"27\" data-end=\"264\"\u003e\n\u003cp data-start=\"29\" data-end=\"264\"\u003e\u003cstrong data-start=\"29\" data-end=\"61\"\u003eEfficient Two‑Stage Heating:\u003c\/strong\u003e The \u003cstrong data-start=\"66\" data-end=\"107\" data-is-only-node=\"\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eGoodman GR9T800403AN Gas Furnace\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e uses \u003cstrong data-start=\"113\" data-end=\"136\"\u003etwo‑stage operation\u003c\/strong\u003e to run primarily at a lower heat level, delivering \u003cstrong data-start=\"188\" data-end=\"238\"\u003emore even temperatures and quieter performance\u003c\/strong\u003e than single‑stage models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18owqsk\" data-start=\"266\" data-end=\"460\"\u003e\n\u003cp data-start=\"268\" data-end=\"460\"\u003e\u003cstrong data-start=\"268\" data-end=\"298\"\u003e80% AFUE for Everyday Use:\u003c\/strong\u003e With \u003cstrong data-start=\"304\" data-end=\"316\" data-is-only-node=\"\"\u003e80% AFUE\u003c\/strong\u003e, this furnace converts a solid amount of fuel into heat, offering \u003cstrong data-start=\"383\" data-end=\"426\"\u003ebalanced energy use and reliable warmth\u003c\/strong\u003e for \u003cstrong data-start=\"431\" data-end=\"459\"\u003esmall to mid‑sized homes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fse2v4\" data-start=\"462\" data-end=\"655\"\u003e\n\u003cp data-start=\"464\" data-end=\"655\"\u003e\u003cstrong data-start=\"464\" data-end=\"485\"\u003eNarrow 14″ Width:\u003c\/strong\u003e The \u003cstrong data-start=\"490\" data-end=\"509\" data-is-only-node=\"\"\u003ecompact cabinet\u003c\/strong\u003e makes it ideal for \u003cstrong data-start=\"529\" data-end=\"545\"\u003etight spaces\u003c\/strong\u003e, and supports both \u003cstrong data-start=\"565\" data-end=\"604\"\u003eupflow and horizontal installations\u003c\/strong\u003e in \u003cstrong data-start=\"608\" data-end=\"654\"\u003eattics, closets, crawlspaces, or basements\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dg2ld7\" data-start=\"657\" data-end=\"833\"\u003e\n\u003cp data-start=\"659\" data-end=\"833\"\u003e\u003cstrong data-start=\"659\" data-end=\"693\"\u003eR32 Refrigerant Compatibility:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"707\" data-end=\"732\" data-is-only-node=\"\"\u003emodern HVAC standards\u003c\/strong\u003e, compatible with \u003cstrong data-start=\"750\" data-end=\"769\"\u003eR32 refrigerant\u003c\/strong\u003e for efficient cooling pairing and reduced environmental impact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7a3770\" data-start=\"835\" data-end=\"977\"\u003e\n\u003cp data-start=\"837\" data-end=\"977\"\u003e\u003cstrong data-start=\"837\" data-end=\"863\"\u003eDurable Goodman Build:\u003c\/strong\u003e Constructed with \u003cstrong data-start=\"881\" data-end=\"934\" data-is-only-node=\"\"\u003equality materials and a dependable heat exchanger\u003c\/strong\u003e, engineered for \u003cstrong data-start=\"951\" data-end=\"976\"\u003elong‑term performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"72axkg\" data-start=\"979\" data-end=\"1165\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"981\" data-end=\"1165\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"981\" data-end=\"1007\"\u003eValue‑Focused Comfort:\u003c\/strong\u003e Combines \u003cstrong data-start=\"1017\" data-end=\"1061\" data-is-only-node=\"\"\u003eadvanced airflow staging and flexibility\u003c\/strong\u003e in a \u003cstrong data-start=\"1067\" data-end=\"1107\"\u003ecost‑effective, space‑saving package\u003c\/strong\u003e, making it a \u003cstrong data-start=\"1121\" data-end=\"1164\"\u003esmart choice for efficient home heating\u003c\/strong\u003e.\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\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003ch5 style=\"font-weight: bold;\"\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"88\" data-end=\"336\"\u003e\u003cstrong data-start=\"88\" data-end=\"143\"\u003eQ: What heating capacity does this furnace deliver?\u003c\/strong\u003e\u003cbr data-start=\"143\" data-end=\"146\"\u003eA: The \u003cstrong data-start=\"153\" data-end=\"177\"\u003eGoodman GR9T800403AN\u003c\/strong\u003e delivers \u003cstrong data-start=\"187\" data-end=\"233\"\u003e40,000 BTU input (~32,000 BTU useful heat)\u003c\/strong\u003e — ideal for \u003cstrong data-start=\"246\" data-end=\"274\"\u003esmaller homes and spaces\u003c\/strong\u003e when sized correctly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"338\" data-end=\"563\"\u003e\u003cstrong data-start=\"338\" data-end=\"369\"\u003eQ: What does 80% AFUE mean?\u003c\/strong\u003e\u003cbr data-start=\"369\" data-end=\"372\"\u003eA: \u003cstrong data-start=\"375\" data-end=\"387\"\u003e80% AFUE\u003c\/strong\u003e means about \u003cstrong data-start=\"400\" data-end=\"454\"\u003e80 ¢ of every $1 spent on fuel becomes usable heat\u003c\/strong\u003e, providing \u003cstrong data-start=\"466\" data-end=\"495\"\u003esolid standard efficiency\u003c\/strong\u003e for everyday heating needs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"565\" data-end=\"860\"\u003e\u003cstrong data-start=\"565\" data-end=\"606\"\u003eQ: What are the key comfort features?\u003c\/strong\u003e\u003cbr data-start=\"606\" data-end=\"609\"\u003eA: Features include \u003cstrong data-start=\"629\" data-end=\"688\"\u003etwo‑stage gas valve for quieter, more efficient heating\u003c\/strong\u003e, \u003cstrong data-start=\"690\" data-end=\"761\"\u003e9‑speed ECM blower motor for smoother airflow and quieter operation\u003c\/strong\u003e, and \u003cstrong data-start=\"767\" data-end=\"820\"\u003eself‑diagnostic control board for easier service.\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"862\" data-end=\"1086\"\u003e\u003cstrong data-start=\"862\" data-end=\"905\"\u003eQ: Where can this furnace be installed?\u003c\/strong\u003e\u003cbr data-start=\"905\" data-end=\"908\"\u003eA: Supports \u003cstrong data-start=\"920\" data-end=\"958\"\u003eupflow and horizontal installation\u003c\/strong\u003e, fitting in \u003cstrong data-start=\"971\" data-end=\"1017\"\u003eattics, basements, closets, or crawlspaces\u003c\/strong\u003e with limited vertical space. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1147\"\u003eQ: What electrical and power requirements does it need?\u003c\/strong\u003e\u003cbr data-start=\"1147\" data-end=\"1150\"\u003eA: Operates on \u003cstrong data-start=\"1165\" data-end=\"1193\"\u003e115 V single‑phase power\u003c\/strong\u003e with typical residential breaker requirements (~15 A). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1501\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1354\"\u003eQ: Is this model compatible with modern refrigerant systems?\u003c\/strong\u003e\u003cbr data-start=\"1354\" data-end=\"1357\"\u003eA: Yes — it’s \u003cstrong data-start=\"1371\" data-end=\"1388\"\u003eR32 compliant\u003c\/strong\u003e, allowing integration with modern HVAC systems that use R32 refrigerant. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1503\" data-end=\"1671\"\u003e\u003cstrong data-start=\"1503\" data-end=\"1548\"\u003eQ: What venting does the furnace require?\u003c\/strong\u003e\u003cbr data-start=\"1548\" data-end=\"1551\"\u003eA: It requires \u003cstrong data-start=\"1566\" data-end=\"1588\"\u003emetal flue venting\u003c\/strong\u003e, standard for non‑condensing 80% furnaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1673\" data-end=\"1897\"\u003e\u003cstrong data-start=\"1673\" data-end=\"1723\"\u003eQ: Can it be used with natural gas or propane?\u003c\/strong\u003e\u003cbr data-start=\"1723\" data-end=\"1726\"\u003eA: Factory‑equipped for \u003cstrong data-start=\"1750\" data-end=\"1765\"\u003enatural gas\u003c\/strong\u003e and can be converted to \u003cstrong data-start=\"1790\" data-end=\"1806\"\u003epropane (LP)\u003c\/strong\u003e with an optional conversion kit (sold separately).\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=\"1nan716\" data-start=\"74\" data-end=\"215\"\u003e\n\u003cp data-start=\"76\" data-end=\"215\"\u003e\u003cstrong data-start=\"76\" data-end=\"110\"\u003eReplace Air Filters Regularly:\u003c\/strong\u003e Inspect monthly and replace every \u003cstrong data-start=\"145\" data-end=\"159\"\u003e1–3 months\u003c\/strong\u003e to maintain airflow and protect the two-stage blower.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1up6vpr\" data-start=\"216\" data-end=\"316\"\u003e\n\u003cp data-start=\"218\" data-end=\"316\"\u003e\u003cstrong data-start=\"218\" data-end=\"251\"\u003eKeep Vents \u0026amp; Registers Clear:\u003c\/strong\u003e Avoid blocking supply and return vents for consistent heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lgkjxw\" data-start=\"317\" data-end=\"438\"\u003e\n\u003cp data-start=\"319\" data-end=\"438\"\u003e\u003cstrong data-start=\"319\" data-end=\"346\"\u003eInspect Venting System:\u003c\/strong\u003e Check intake and exhaust pipes for debris, blockages, or damage to ensure safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5otpr6\" data-start=\"439\" data-end=\"552\"\u003e\n\u003cp data-start=\"441\" data-end=\"552\"\u003e\u003cstrong data-start=\"441\" data-end=\"470\"\u003eClean Around the Furnace:\u003c\/strong\u003e Maintain \u003cstrong data-start=\"480\" data-end=\"500\"\u003e2–3 ft clearance\u003c\/strong\u003e to prevent dust buildup and allow proper airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"acm2sh\" data-start=\"553\" data-end=\"690\"\u003e\n\u003cp data-start=\"555\" data-end=\"690\"\u003e\u003cstrong data-start=\"555\" data-end=\"586\"\u003eMonitor Blower Performance:\u003c\/strong\u003e Two-stage blowers should operate quietly and smoothly; unusual noises may indicate maintenance needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"195esnh\" data-start=\"691\" data-end=\"819\"\u003e\n\u003cp data-start=\"693\" data-end=\"819\"\u003e\u003cstrong data-start=\"693\" data-end=\"729\"\u003eCheck Thermostat \u0026amp; Power Supply:\u003c\/strong\u003e Ensure thermostat settings, gas supply, and \u003cstrong data-start=\"774\" data-end=\"790\"\u003e115V circuit\u003c\/strong\u003e are functioning correctly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f4oqus\" data-start=\"820\" data-end=\"991\"\u003e\n\u003cp data-start=\"822\" data-end=\"991\"\u003e\u003cstrong data-start=\"822\" data-end=\"863\"\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":43533436616778,"sku":"GR9T800403AN","price":988.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/80_upflow_frontleft-800x800_c5d0535f-ccc7-4a1b-9b7e-14c41d13d4ff.webp?v=1776875713","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/goodman-40-000-btu-80-gas-furnace-14-width-upflow-horizontal-two-stage-115v-r32","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}