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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
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 |
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.
Financing Options Available
Enjoy peace of mind with low monthly payments that make your costs easy to manage.
Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know what to expect.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, reliable, and high-quality installations and repairs.
Free Installation Included
Enjoy hassle-free setup with free professional installation on every purchase.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage and an included labour warranty.
Reviews
16 reviews for Lennox EL297 70,000 BTU Furnace
Get a Free Quote From a Licensed HVAC Expert
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Hassan Ali –
No major complaints. Furnace works well and installation went smoothly, just took a little longer than quoted.
Melissa Brown –
Service was quick and straightforward. Install team arrived on time and finished as promised.
Victor Nguyen –
Good value for the price. Furnace heats quickly and hasn’t had any issues so far.
Sophie Tremblay –
Really impressed with how quiet the Lennox EL297 is. Jimmy HVAC handled the install cleanly and efficiently.
Andrew Wilson –
Unit works fine, but install ran a bit late into the evening. No issues since.
Fatima Khan –
Installation team was respectful and explained everything clearly. Furnace performance has been solid so far.
Chris O’Neill –
Fast service and no pressure upselling. Furnace works as expected and heats the whole house evenly.
Elena Petrova –
Happy with the product and the install. Pricing was reasonable. Took a day to get used to the new system.
Jason Pelletier –
Very smooth process from quote to install. The Lennox EL297 70,000 BTU Furnace is noticeably quieter than our previous unit.
Noor Ahmed –
Furnace works well, but the install appointment was rescheduled once. Service afterward was responsive though.
Robert McKenzie –
Install crew was polite and didn’t rush the job. House feels warmer already and gas usage is lower so far.
Amanda Li –
The Lennox EL297 heats fast and runs quietly. Would’ve liked a bit more explanation on the thermostat, but no real issues.
Daniel Fournier –
Jimmy HVAC showed up on time and finished the install in one day. Furnace is much more efficient than our old one.
Priya Malhotra –
Good experience overall. Pricing was fair compared to other quotes. Took a bit longer than expected but the furnace works great.
Mark Thompson –
Installed the Lennox EL297 70,000 BTU Furnace last month. Quiet and heats the house evenly. Install team was professional and cleaned up after.
Michael Turner –
I really appreciated how Jimmy HVAC gave us clear pricing and never pushed us into anything. If you’re looking for reliable service and quality products, I’d definitely recommend them!