{"product_id":"general-electric-nf80u090t4b-gas-furnace-90k-btu-80-afue","title":"General Electric nf80u090t4b Gas Furnace 90K Btu 80% Afue","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GENERAL ELECTRIC nf80u090t4b is a two-stage upflow and horizontal flow gas furnace rated at 90,000 BTU\/h output with an 80% Annual Fuel Utilization Efficiency (AFUE). Two-stage operation means the furnace runs at a lower capacity during mild conditions and ramps to full output on the coldest days, reducing short cycling and improving indoor comfort. At 80% AFUE, the unit meets federal minimum efficiency standards for non-weatherized gas furnaces. Licensed HVAC technicians install and commission this equipment in forced-air residential or light commercial heating systems.\u003c\/p\u003e\u003cp\u003eThis furnace is configured for upflow or horizontal airflow, giving installers flexibility for attic, closet, basement, and crawlspace applications. The 90,000 BTU\/h input capacity suits mid-to-large residential structures or smaller commercial zones where a single forced-air system handles the full heating load. Horizontal orientation support makes this unit a common choice for applications where vertical duct chases are unavailable. Four-ton system sizing aligns with the 90,000 BTU\/h heat output at the 80% AFUE rating.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTwo-stage heating reduces short cycling and improves temperature consistency across the structure\u003c\/li\u003e\n\u003cli\u003eUpflow and horizontal airflow configurations supported in a single cabinet\u003c\/li\u003e\n\u003cli\u003e90,000 BTU\/h output capacity for mid-to-large residential heating loads\u003c\/li\u003e\n\u003cli\u003e80% AFUE rating meets federal minimum efficiency standard for non-weatherized gas furnaces\u003c\/li\u003e\n\u003cli\u003eDesigned for integration with standard forced-air distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation furnace for residential and light commercial forced-air gas heating systems requiring upflow or horizontal airflow orientation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation must be performed by a licensed HVAC technician in accordance with local mechanical codes and the manufacturer installation instructions. Shut off the gas supply and disconnect electrical power before servicing or replacing any furnace components. Venting must comply with IFGC requirements for 80% AFUE non-condensing appliances, typically using Type B double-wall vent pipe. Do not operate the unit without all access panels secured and the combustion air supply verified.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Capacity\u003c\/strong\u003e: 90,000 BTU\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFUE\u003c\/strong\u003e: 80%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStaging\u003c\/strong\u003e: Two-stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Configuration\u003c\/strong\u003e: Upflow \/ Horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Size\u003c\/strong\u003e: 4 ton\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GENERAL ELECTRIC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: nf80u090t4b\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GENERAL ELECTRIC","offers":[{"title":"Default Title","offer_id":51467512643890,"sku":"NF80U090T4B","price":2102.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/313947469.jpg?v=1783906129","url":"https:\/\/voomisupply.com\/products\/general-electric-nf80u090t4b-gas-furnace-90k-btu-80-afue","provider":"Voomi Supply","version":"1.0","type":"link"}