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Licensed & Certified Technicians
Skilled TSSA-licensed technicians providing dependable, compliant, and professional service for all repairs and installations.
Professional Installation Included
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Parts & Labour Warranty
Comprehensive protection covering both parts and labour to ensure long-term reliability and peace of mind.
Specification
| Specification | Details |
|---|---|
| Make | Lennox |
| Model Number | EL297UH070EV36C |
| Furnace Type | High-Efficiency Gas Furnace |
| Fuel Type | Natural Gas |
| Heating Efficiency | Up to 98.7% AFUE |
| Gas Stages | Modulating Heat |
| Maximum Heating Capacity | 68,000 BTUh |
| Blower Capacity | 3 Ton |
| ENERGY STAR® Certified | Yes |
| Installation Orientation | Upflow / Horizontal |
| Dimensions (W × H × D) | 17.5″ × 33″ × 27.75″ |
| Venting Type | Direct Vent |
| Heat Exchanger Warranty | 20 Years |
| Parts Warranty | 10 Years |
| Labor Warranty | 1 Year |
Description
Lennox EL297 70,000 BTU High-Efficiency Gas Furnace
The Lennox EL297 70,000 BTU gas furnace is a premium heating solution engineered for medium-sized homes and multi-family residences where balanced comfort, efficiency, and reliable performance are priorities. Boasting up to 98.7% AFUE efficiency, this furnace delivers exceptional fuel utilization, helping homeowners significantly reduce heating costs while maintaining consistent indoor warmth throughout the heating season.
Built on the advanced EL297 platform, this model features modulating gas heat technology, which continuously adjusts heat output to closely match your home’s comfort needs. This delivers precise temperature control, fewer on/off cycles, and whisper-quiet operation. Coupled with a variable-speed blower motor, the EL297 ensures smooth and even airflow, eliminating hot and cold spots for superior overall comfort.
ENERGY STAR® certified and supported by Lennox’s trusted engineering, the Lennox EL297 70,000 BTU furnace provides premium comfort, enhanced efficiency, and long-term reliability—making it an excellent choice for homeowners seeking top-tier performance.
Key Benefits
Modulating Heating Technology: Continuously adjusts output for precise temperature control
98.7% AFUE Efficiency: Exceptional energy performance for lower heating bills
Whisper-Quiet Operation: Smooth modulation reduces noise and cycling
Even Air Distribution: Variable-speed blower for balanced comfort throughout the home
ENERGY STAR® Certified: Meets stringent efficiency and environmental standards
Enhanced Comfort: Reduces temperature swings and cold spots
Key Highlights
Up to 98.7% AFUE High Efficiency
Modulating Gas Valve for Precise Heating
Variable-Speed Blower Motor for Optimal Airflow
ENERGY STAR® Certified Performance
Ideal for Medium-Sized Residential Heating
Backed by Lennox Quality and Warranty Support
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