{"product_id":"goodman-80-000-btu-97-variable-speed-modulating-gas-furnace-21-width-downflow-horizontal-115v-r32","title":"Goodman - 80,000 BTU 97% Variable Speed Modulating Gas Furnace - 21\" Width - Downflow \/ Horizontal - 115V - R32 - GDVM970804CN","description":"\u003ch2\u003e\u003cspan\u003eGoodman - 80,000 BTU 97% Variable Speed Modulating Gas Furnace - 21\" Width - Downflow \/ Horizontal - 115V - R32 - GDVM970804CN\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWith a 97% efficiency rating, a variable-speed blower motor, and modulating gas valves, the GDVM970804CN is part of Goodman's top-tier furnace series. If you're looking to reduce your gas bill, the GDVM970804CN is an excellent choice, offering one of the best efficiency levels available on the market.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal to heat a small to medium house (in an ideal climate)\u003c\/li\u003e\n\u003cli\u003e80,000 BTU 97% AFUE modulating variable speed natural gas furnace\u003c\/li\u003e\n\u003cli\u003eRequires plastic\/PVC flue venting\u003c\/li\u003e\n\u003cli\u003eCan be installed in the downflow or horizontal orientation\u003c\/li\u003e\n\u003cli\u003eCan be converted to propane with an LP 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 class=\"tg-wa1i\"\u003eSKU\u003c\/th\u003e\n\u003cth class=\"tg-cly1\"\u003eGDVM970804CN\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\"\u003e144.000000\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\"\u003ePlastic \/ PVC\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\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\"\u003e97%\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\"\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\"\u003eEnergy Star\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eYes\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\"\u003eModulating\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\"\u003e34 1\/2\"\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 7\/8\"\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\u003cstrong\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GRVM97-GDVM97-Install-Manual.pdf?v=1760255220\" target=\"_blank\"\u003eInstallation Manual\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0794\/3104\/1346\/files\/GR9T96-GD9T96-Install-Manual.pdf?v=1759999427\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\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\/Goodman-R32-GDVM97-Spec-Sheet.pdf?v=1760255214\" 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\u003e\n\u003cli data-section-id=\"1p3mpa6\" data-start=\"120\" data-end=\"227\"\u003e\n\u003cp data-start=\"122\" data-end=\"227\"\u003e\u003cstrong data-start=\"122\" data-end=\"149\"\u003eExceptional Efficiency:\u003c\/strong\u003e 97% AFUE with variable-speed modulation for precise, energy-saving heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bti0k5\" data-start=\"228\" data-end=\"304\"\u003e\n\u003cp data-start=\"230\" data-end=\"304\"\u003e\u003cstrong data-start=\"230\" data-end=\"251\"\u003ePowerful Heating:\u003c\/strong\u003e 80,000 BTU output ideal for medium to large homes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t73j4e\" data-start=\"305\" data-end=\"393\"\u003e\n\u003cp data-start=\"307\" data-end=\"393\"\u003e\u003cstrong data-start=\"307\" data-end=\"333\"\u003eFlexible Installation:\u003c\/strong\u003e 21\" width supports downflow or horizontal configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rfv3z0\" data-start=\"394\" data-end=\"502\"\u003e\n\u003cp data-start=\"396\" data-end=\"502\"\u003e\u003cstrong data-start=\"396\" data-end=\"423\"\u003eVariable-Speed Comfort:\u003c\/strong\u003e Modulating operation ensures consistent temperature and quieter performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1doow0c\" data-start=\"503\" data-end=\"587\"\u003e\n\u003cp data-start=\"505\" data-end=\"587\"\u003e\u003cstrong data-start=\"505\" data-end=\"526\"\u003eEasy Integration:\u003c\/strong\u003e 115V power supply works with standard residential systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4e0p3z\" data-start=\"588\" data-end=\"670\"\u003e\n\u003cp data-start=\"590\" data-end=\"670\"\u003e\u003cstrong data-start=\"590\" data-end=\"608\"\u003eDurable Build:\u003c\/strong\u003e Designed for long-term reliability across diverse climates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tz6pdi\" data-start=\"671\" data-end=\"746\"\u003e\n\u003cp data-start=\"673\" data-end=\"746\"\u003e\u003cstrong data-start=\"673\" data-end=\"693\"\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=\"143\" data-end=\"393\"\u003e\u003cstrong data-start=\"143\" data-end=\"194\"\u003eQ: What size home is this furnace suitable for?\u003c\/strong\u003e\u003cbr data-start=\"194\" data-end=\"197\"\u003eA: With \u003cstrong data-start=\"205\" data-end=\"263\"\u003e80,000 BTU input and a high 97% AFUE efficiency rating\u003c\/strong\u003e, this furnace is ideal for \u003cstrong data-start=\"291\" data-end=\"316\"\u003emedium‑to‑large homes\u003c\/strong\u003e needing efficient, year‑round heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"395\" data-end=\"602\"\u003e\u003cstrong data-start=\"395\" data-end=\"435\"\u003eQ: How energy efficient is the unit?\u003c\/strong\u003e\u003cbr data-start=\"435\" data-end=\"438\"\u003eA: It delivers \u003cstrong data-start=\"453\" data-end=\"465\"\u003e97% AFUE\u003c\/strong\u003e, meaning nearly all fuel is converted into heat — helping lower utility bills and improve comfort. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"604\" data-end=\"929\"\u003e\u003cstrong data-start=\"604\" data-end=\"654\"\u003eQ: What does “variable speed modulating” mean?\u003c\/strong\u003e\u003cbr data-start=\"654\" data-end=\"657\"\u003eA: The \u003cstrong data-start=\"664\" data-end=\"718\"\u003emodulating gas valve and variable‑speed ECM blower\u003c\/strong\u003e adjust heat output and airflow in fine increments to match demand, offering \u003cstrong data-start=\"795\" data-end=\"865\"\u003eprecise temperature control, quieter operation, and better comfort\u003c\/strong\u003e than single‑stage models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"931\" data-end=\"1146\"\u003e\u003cstrong data-start=\"931\" data-end=\"985\"\u003eQ: What installation configurations are supported?\u003c\/strong\u003e\u003cbr data-start=\"985\" data-end=\"988\"\u003eA: Supports \u003cstrong data-start=\"1000\" data-end=\"1027\"\u003edownflow and horizontal\u003c\/strong\u003e mounting, allowing flexible placement in attics, crawl spaces, or utility areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1148\" data-end=\"1324\"\u003e\u003cstrong data-start=\"1148\" data-end=\"1197\"\u003eQ: What electrical requirements does it have?\u003c\/strong\u003e\u003cbr data-start=\"1197\" data-end=\"1200\"\u003eA: Operates on \u003cstrong data-start=\"1215\" data-end=\"1243\"\u003e115 V single‑phase power\u003c\/strong\u003e with typical residential electrical specs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1326\" data-end=\"1515\"\u003e\u003cstrong data-start=\"1326\" data-end=\"1385\"\u003eQ: What fuel type and conversion options are available?\u003c\/strong\u003e\u003cbr data-start=\"1385\" data-end=\"1388\"\u003eA: Designed for \u003cstrong data-start=\"1404\" data-end=\"1419\"\u003enatural gas\u003c\/strong\u003e and \u003cstrong data-start=\"1424\" data-end=\"1455\"\u003econvertible to LP (propane)\u003c\/strong\u003e with an optional kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1517\" data-end=\"1789\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1574\"\u003eQ: What features improve reliability and diagnostics?\u003c\/strong\u003e\u003cbr data-start=\"1574\" data-end=\"1577\"\u003eA: Includes a \u003cstrong data-start=\"1591\" data-end=\"1723\"\u003eself‑diagnostic control board, ComfortNet™ compatibility, color‑coded low‑voltage terminals, and durable silicon nitride igniter\u003c\/strong\u003e for dependable performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1791\" data-end=\"1961\"\u003e\u003cstrong data-start=\"1791\" data-end=\"1827\"\u003eQ: What venting does it require?\u003c\/strong\u003e\u003cbr data-start=\"1827\" data-end=\"1830\"\u003eA: As a high‑efficiency condensing furnace, it uses \u003cstrong data-start=\"1882\" data-end=\"1910\"\u003eplastic\/PVC flue venting\u003c\/strong\u003e for exhaust. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1963\" data-end=\"2166\"\u003e\u003cstrong data-start=\"1963\" data-end=\"2000\"\u003eQ: What are the comfort benefits?\u003c\/strong\u003e\u003cbr data-start=\"2000\" data-end=\"2003\"\u003eA: Modulating output and variable‑speed blower help \u003cstrong data-start=\"2055\" data-end=\"2127\"\u003ereduce temperature swings, lower noise, and improve humidity control\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"19v370a\" data-start=\"129\" data-end=\"209\"\u003e\n\u003cp data-start=\"131\" data-end=\"209\"\u003e\u003cstrong data-start=\"131\" data-end=\"171\"\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=\"210\" data-end=\"284\"\u003e\n\u003cp data-start=\"212\" data-end=\"284\"\u003eKeep \u003cstrong data-start=\"217\" data-end=\"250\"\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=\"12q6xfm\" data-start=\"285\" data-end=\"381\"\u003e\n\u003cp data-start=\"287\" data-end=\"381\"\u003eMaintain \u003cstrong data-start=\"296\" data-end=\"340\"\u003e2–3 feet of clearance around the furnace\u003c\/strong\u003e for safe operation and proper airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h0540q\" data-start=\"382\" data-end=\"469\"\u003e\n\u003cp data-start=\"384\" data-end=\"469\"\u003eInspect the \u003cstrong data-start=\"396\" data-end=\"421\"\u003econdensate drain line\u003c\/strong\u003e regularly to prevent clogs and water buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6jah5m\" data-start=\"470\" data-end=\"561\"\u003e\n\u003cp data-start=\"472\" data-end=\"561\"\u003e\u003cstrong data-start=\"472\" data-end=\"515\"\u003eCheck thermostat settings and operation\u003c\/strong\u003e to ensure proper modulating heating cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14fvdyy\" data-start=\"562\" data-end=\"640\"\u003e\n\u003cp data-start=\"564\" data-end=\"640\"\u003eExamine \u003cstrong data-start=\"572\" data-end=\"602\"\u003event pipes and connections\u003c\/strong\u003e for leaks, blockages, or corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1171f14\" data-start=\"641\" data-end=\"745\"\u003e\n\u003cp data-start=\"643\" data-end=\"745\"\u003eListen for \u003cstrong data-start=\"654\" data-end=\"672\"\u003eunusual noises\u003c\/strong\u003e such as rattling, humming, or uneven airflow that may indicate issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10y7fy4\" data-start=\"746\" data-end=\"825\"\u003e\n\u003cp data-start=\"748\" data-end=\"825\"\u003eClean \u003cstrong data-start=\"754\" data-end=\"798\"\u003eblower compartment and internal surfaces\u003c\/strong\u003e to prevent dust buildup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qx9rnq\" data-start=\"826\" data-end=\"884\"\u003e\n\u003cp data-start=\"828\" data-end=\"884\"\u003eTest \u003cstrong data-start=\"833\" data-end=\"862\"\u003ecarbon monoxide detectors\u003c\/strong\u003e for safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fw44o6\" data-start=\"885\" data-end=\"1019\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"887\" data-end=\"1019\" data-is-last-node=\"\"\u003eSchedule \u003cstrong data-start=\"896\" data-end=\"931\"\u003eannual professional maintenance\u003c\/strong\u003e to inspect burners, heat exchanger, blower motor, gas connections, and safety controls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":46812781478025,"sku":"GDVM970804CN","price":3511.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/2443\/9177\/files\/90_downflow_frontright-800x800_f85846da-649c-4b3a-bb98-91b1e37fa6c4.webp?v=1779806552","url":"https:\/\/mobility-ready.com\/products\/goodman-80-000-btu-97-variable-speed-modulating-gas-furnace-21-width-downflow-horizontal-115v-r32","provider":"Supplies for Happy Tails","version":"1.0","type":"link"}