{"product_id":"goodman-80-000-btu-80-low-nox-gas-furnace-21-width-downflow-horizontal-two-stage-115v-r32","title":"Goodman - 80,000 BTU 80% Low NOx Gas Furnace - 21\" Width - Downflow \/ Horizontal - Two Stage - 115V - R32 - GD9T800805CX","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 80,000 BTU 80% Low NOx Gas Furnace - 21\" Width - Downflow \/ Horizontal - Two Stage - 115V - R32 - GD9T800805CX\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe GD9T800805CX Goodman gas furnace features high-quality construction and efficient operation at a great value. The GD9T800805CX 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 GD9T800805CX.\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 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 downflow 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% 80,000 BTU Two Stage Gas Furnace - 21\" Width - Downflow \/ 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\"\u003eGD9T800805CX\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\"\u003e129.000000\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\"\u003e215358015\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\"\u003eDownflow\/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\"\u003e80,000\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\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eDownflow\/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\"\u003e25 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\"\u003e14.3 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\"\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\"\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_309113a8-345e-4e4c-8f69-6a2c76096eea.pdf?v=1759920676\" 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 rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GD9T80_Spec_Sheet_5645950e-85c2-4fd0-9ba3-9d7a28d6ac0e.pdf?v=1759920618\" 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-5\" data-testid=\"conversation-turn-28\" 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=\"c9592c0c-77d4-4cba-8310-9a5aa74aec0f\" 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=\"1115\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"eguo1h\" data-start=\"27\" data-end=\"229\"\u003e\n\u003cp data-start=\"29\" data-end=\"229\"\u003e\u003cstrong data-start=\"29\" data-end=\"59\"\u003eCleaner Emissions Heating:\u003c\/strong\u003e The \u003cstrong data-start=\"64\" data-end=\"105\" data-is-only-node=\"\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eGoodman GD9T800805CX Gas Furnace\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e Low NOx design reduces \u003cstrong data-start=\"129\" data-end=\"157\"\u003enitrogen oxide emissions\u003c\/strong\u003e, making it a \u003cstrong data-start=\"171\" data-end=\"202\"\u003ebetter environmental choice\u003c\/strong\u003e where low‑NOx is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12wmz9j\" data-start=\"231\" data-end=\"422\"\u003e\n\u003cp data-start=\"233\" data-end=\"422\"\u003e\u003cstrong data-start=\"233\" data-end=\"263\"\u003eTwo‑Stage Heating Comfort:\u003c\/strong\u003e Two‑stage operation runs mostly at a \u003cstrong data-start=\"301\" data-end=\"321\" data-is-only-node=\"\"\u003elower heat level\u003c\/strong\u003e, delivering \u003cstrong data-start=\"334\" data-end=\"394\"\u003emore even temperatures, quieter cycles, and fewer spikes\u003c\/strong\u003e than single‑stage furnaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y03ljx\" data-start=\"424\" data-end=\"592\"\u003e\n\u003cp data-start=\"426\" data-end=\"592\"\u003e\u003cstrong data-start=\"426\" data-end=\"450\"\u003e80% AFUE Efficiency:\u003c\/strong\u003e Provides \u003cstrong data-start=\"460\" data-end=\"486\" data-is-only-node=\"\"\u003esolid fuel utilization\u003c\/strong\u003e, offering \u003cstrong data-start=\"497\" data-end=\"549\"\u003edependable warmth and reasonable operating costs\u003c\/strong\u003e for \u003cstrong data-start=\"554\" data-end=\"570\"\u003emedium homes\u003c\/strong\u003e in moderate climates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1psx2ak\" data-start=\"594\" data-end=\"761\"\u003e\n\u003cp data-start=\"596\" data-end=\"761\"\u003e\u003cstrong data-start=\"596\" data-end=\"632\"\u003eDownflow\/Horizontal Flexibility:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"646\" data-end=\"686\" data-is-only-node=\"\"\u003edownflow or horizontal installations\u003c\/strong\u003e, fitting \u003cstrong data-start=\"696\" data-end=\"760\"\u003eattics, basements, utility rooms, or tight mechanical spaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"repi4w\" data-start=\"763\" data-end=\"905\"\u003e\n\u003cp data-start=\"765\" data-end=\"905\"\u003e\u003cstrong data-start=\"765\" data-end=\"797\"\u003eDurable Goodman Engineering:\u003c\/strong\u003e Built with \u003cstrong data-start=\"809\" data-end=\"859\" data-is-only-node=\"\"\u003equality components and a robust heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"864\" data-end=\"904\"\u003econsistent, long‑lasting performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a150w7\" data-start=\"907\" data-end=\"1115\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"909\" data-end=\"1115\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"909\" data-end=\"938\"\u003eValue‑Driven Performance:\u003c\/strong\u003e Combines \u003cstrong data-start=\"948\" data-end=\"1015\" data-is-only-node=\"\"\u003ereduced emissions, two‑stage comfort, and flexible installation\u003c\/strong\u003e in a \u003cstrong data-start=\"1021\" data-end=\"1047\"\u003ecost‑effective furnace\u003c\/strong\u003e for homeowners seeking \u003cstrong data-start=\"1071\" data-end=\"1114\"\u003ereliable heating with cleaner operation\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=\"96\" data-end=\"358\"\u003e\u003cstrong data-start=\"96\" data-end=\"151\"\u003eQ: What heating capacity does this furnace deliver?\u003c\/strong\u003e\u003cbr data-start=\"151\" data-end=\"154\"\u003eA: The \u003cstrong data-start=\"161\" data-end=\"185\"\u003eGoodman GD9T800805CX\u003c\/strong\u003e produces \u003cstrong data-start=\"195\" data-end=\"215\"\u003e80,000 BTU input\u003c\/strong\u003e (≈ \u003cstrong data-start=\"219\" data-end=\"245\"\u003e64,000 BTU useful heat\u003c\/strong\u003e) — ideal for \u003cstrong data-start=\"259\" data-end=\"281\"\u003emedium‑sized homes\u003c\/strong\u003e when properly sized by a professional. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"360\" data-end=\"609\"\u003e\u003cstrong data-start=\"360\" data-end=\"402\"\u003eQ: What does the 80% AFUE rating mean?\u003c\/strong\u003e\u003cbr data-start=\"402\" data-end=\"405\"\u003eA: \u003cstrong data-start=\"408\" data-end=\"420\"\u003e80% AFUE\u003c\/strong\u003e means about \u003cstrong data-start=\"433\" data-end=\"487\"\u003e80 ¢ of every $1 spent on fuel becomes usable heat\u003c\/strong\u003e, providing efficient, cost‑effective heating compared with lower‑efficiency models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"611\" data-end=\"871\"\u003e\u003cstrong data-start=\"611\" data-end=\"653\"\u003eQ: What is Low NOx and why it matters?\u003c\/strong\u003e\u003cbr data-start=\"653\" data-end=\"656\"\u003eA: This furnace is \u003cstrong data-start=\"675\" data-end=\"696\"\u003eLow NOx compliant\u003c\/strong\u003e, meaning it emits \u003cstrong data-start=\"715\" data-end=\"742\"\u003ereduced nitrogen oxides\u003c\/strong\u003e for lower environmental impact and compliance in many regions requiring cleaner operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"873\" data-end=\"1129\"\u003e\u003cstrong data-start=\"873\" data-end=\"915\"\u003eQ: What type of operation does it use?\u003c\/strong\u003e\u003cbr data-start=\"915\" data-end=\"918\"\u003eA: It has a \u003cstrong data-start=\"930\" data-end=\"953\"\u003etwo‑stage gas valve\u003c\/strong\u003e for more consistent heat delivery and reduced cycling, paired with a \u003cstrong data-start=\"1023\" data-end=\"1045\"\u003e9‑speed ECM blower\u003c\/strong\u003e for smoother airflow and quieter performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1131\" data-end=\"1352\"\u003e\u003cstrong data-start=\"1131\" data-end=\"1174\"\u003eQ: Where can this furnace be installed?\u003c\/strong\u003e\u003cbr data-start=\"1174\" data-end=\"1177\"\u003eA: Supports \u003cstrong data-start=\"1189\" data-end=\"1242\"\u003edownflow and horizontal installation orientations\u003c\/strong\u003e, making it flexible for \u003cstrong data-start=\"1267\" data-end=\"1313\"\u003eattics, basements, closets, or crawlspaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1354\" data-end=\"1570\"\u003e\u003cstrong data-start=\"1354\" data-end=\"1400\"\u003eQ: What power and venting does it require?\u003c\/strong\u003e\u003cbr data-start=\"1400\" data-end=\"1403\"\u003eA: Operates on \u003cstrong data-start=\"1418\" data-end=\"1458\"\u003e115 V single‑phase residential power\u003c\/strong\u003e and requires \u003cstrong data-start=\"1472\" data-end=\"1494\"\u003emetal flue venting\u003c\/strong\u003e, typical for non‑condensing furnaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1572\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1572\" data-end=\"1626\"\u003eQ: Is this furnace compatible with modern systems?\u003c\/strong\u003e\u003cbr data-start=\"1626\" data-end=\"1629\"\u003eA: Yes — it is \u003cstrong data-start=\"1644\" data-end=\"1673\"\u003eR32 refrigerant compliant\u003c\/strong\u003e and can be paired with compatible HVAC components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1764\" data-end=\"1946\"\u003e\u003cstrong data-start=\"1764\" data-end=\"1793\"\u003eQ: Can it run on propane?\u003c\/strong\u003e\u003cbr data-start=\"1793\" data-end=\"1796\"\u003eA: Yes — with an appropriate \u003cstrong data-start=\"1825\" data-end=\"1851\"\u003epropane conversion kit\u003c\/strong\u003e (sold separately), it can be converted from natural gas.\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=\"82\" data-end=\"223\"\u003e\n\u003cp data-start=\"84\" data-end=\"223\"\u003e\u003cstrong data-start=\"84\" data-end=\"118\"\u003eReplace Air Filters Regularly:\u003c\/strong\u003e Inspect monthly and replace every \u003cstrong data-start=\"153\" data-end=\"167\"\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=\"1tl0ax3\" data-start=\"224\" data-end=\"327\"\u003e\n\u003cp data-start=\"226\" data-end=\"327\"\u003e\u003cstrong data-start=\"226\" data-end=\"259\"\u003eKeep Vents \u0026amp; Registers Clear:\u003c\/strong\u003e Ensure supply and return vents are unobstructed for even heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1enl5ef\" data-start=\"328\" data-end=\"451\"\u003e\n\u003cp data-start=\"330\" data-end=\"451\"\u003e\u003cstrong data-start=\"330\" data-end=\"357\"\u003eInspect Venting System:\u003c\/strong\u003e Check intake and exhaust pipes for debris, blockages, or damage to maintain safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5otpr6\" data-start=\"452\" data-end=\"565\"\u003e\n\u003cp data-start=\"454\" data-end=\"565\"\u003e\u003cstrong data-start=\"454\" data-end=\"483\"\u003eClean Around the Furnace:\u003c\/strong\u003e Maintain \u003cstrong data-start=\"493\" data-end=\"513\"\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=\"1iqirit\" data-start=\"566\" data-end=\"707\"\u003e\n\u003cp data-start=\"568\" data-end=\"707\"\u003e\u003cstrong data-start=\"568\" data-end=\"597\"\u003eMonitor Blower Operation:\u003c\/strong\u003e Two-stage variable blowers should run quietly and smoothly; unusual sounds may indicate maintenance issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bywad0\" data-start=\"708\" data-end=\"835\"\u003e\n\u003cp data-start=\"710\" data-end=\"835\"\u003e\u003cstrong data-start=\"710\" data-end=\"746\"\u003eCheck Thermostat \u0026amp; Power Supply:\u003c\/strong\u003e Verify thermostat settings, gas supply, and \u003cstrong data-start=\"791\" data-end=\"807\"\u003e115V circuit\u003c\/strong\u003e are functioning properly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9oa9yf\" data-start=\"836\" data-end=\"1005\"\u003e\n\u003cp data-start=\"838\" data-end=\"1005\"\u003e\u003cstrong data-start=\"838\" data-end=\"879\"\u003eSchedule Annual Professional Service:\u003c\/strong\u003e Have a licensed HVAC technician 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":43533435076682,"sku":"GD9T800805CX","price":1219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/80_downflow_frontleft-800x800_1_e181c394-3ce9-4ea8-b369-3bcabf111b44.webp?v=1776875674","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/goodman-80-000-btu-80-low-nox-gas-furnace-21-width-downflow-horizontal-two-stage-115v-r32","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}