{"product_id":"lennox-elite-el297uh045xe36b-45k-btuh-3-ton-gas-furnace-upflow-horizontal-97-afue","title":"Lennox Elite EL297UH045XE36B - 45K Btuh - 3-Ton Gas Furnace - Upflow Horizontal - 97% AFUE","description":"\u003cp\u003eThe Lennox EL297UH045XE36B Gas Furnace is engineered to provide reliable heating performance, energy-efficient operation, and consistent indoor comfort for residential applications.\u003c\/p\u003e \n\n\u003cp\u003eDesigned with a 45,000 BTUH input capacity and compatibility with 3-ton cooling systems, this high-efficiency furnace delivers dependable warmth while supporting balanced airflow throughout the home.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing advanced two-stage heating technology, the EL297UH045XE36B automatically adjusts its heating output to match the comfort needs of the home. During milder weather conditions, the furnace operates at a lower stage to improve efficiency, reduce energy consumption, and maintain more consistent indoor temperatures. When additional heating capacity is required, it seamlessly transitions to full output for dependable comfort.\u003c\/p\u003e\n\n\u003cp\u003eA high-performance variable-speed ECM blower motor enhances airflow management, helping to improve humidity control, reduce temperature fluctuations, and provide quieter operation. The blower continuously adapts to changing system demands, promoting greater efficiency and comfort throughout every season.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with durable components and Lennox's proven engineering, the EL297UH045XE36B is designed for long-term reliability and dependable operation. Its flexible cabinet design supports a variety of installation applications, making it an ideal choice for new construction and replacement projects.\u003c\/p\u003e\n\n\u003cp\u003eWhen paired with a compatible 3-ton air conditioner or heat pump, this furnace creates a complete comfort system that delivers efficient heating, smooth airflow, and year-round performance.\u003c\/p\u003e\n\n\u003cp\u003eWe service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:\u003c\/p\u003e\n\n\u003cp\u003eNassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale\u003c\/p\u003e\n\n\u003cp\u003eSuffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley\u003c\/p\u003e\n\n\u003cp\u003eContact us today at (631) 779-3196\u003c\/p\u003e","brand":"Installed HVAC Pros","offers":[{"title":"Default Title","offer_id":68515134341371,"sku":"EL297UH045XE36B","price":10876.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9406\/6171\/files\/Square_product_images_-_2026-10-23T131715.740.png?v=1792775854","url":"https:\/\/installedhvacpros.com\/products\/lennox-elite-el297uh045xe36b-45k-btuh-3-ton-gas-furnace-upflow-horizontal-97-afue","provider":"Installed HVAC Pros","version":"1.0","type":"link"}