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| Brand | Lennox |
| Series | ML297V |
| Model / SKU | ML297V-110000 |
| Furnace Size | 110,000 BTU class |
| Efficiency | 97% AFUE |
| Heating Stages | Two-stage |
| Blower Motor | Variable-speed |
| Ignition | SureLight® Silicon Nitride Ignitor |
| ENERGY STAR | Qualified |
| Configuration | As specified by the selected installation configuration |
| Installation | Professional installation included by Jimmy HVAC |
| Heat Exchanger Warranty | 20-Year Limited Warranty |
| Parts Warranty | 10-Year Extended Limited Warranty available with registration and applicable terms |
| Labour Warranty | 1 Year — Jimmy HVAC |
Lennox ML297V 110,000 BTU class furnace with 97% AFUE, two-stage heating and a variable-speed blower motor. Professional installation is included by Jimmy HVAC.
Lennox ML297V 110,000 BTU Furnace is a high-efficiency Lennox gas furnace from the Merit® Series. The ML297V is designed with 97% AFUE, two-stage heating and a variable-speed blower motor to provide efficient heating, more consistent airflow and quiet operation.
Key Features
97% AFUE High-Efficiency Heating
The ML297V is rated at up to 97% AFUE. AFUE measures how efficiently a furnace converts fuel into usable heat.
Two-Stage Heating
Two-stage heating provides different heating levels to better match heating demand, helping support more consistent indoor temperatures and efficient operation.
Variable-Speed Blower Motor
The variable-speed blower motor can gradually adjust airflow to provide more even temperatures and the airflow needed at a given time.
Quiet Operation
Lennox specifies a steel cabinet and sound-absorbing materials designed to reduce operating noise.
Enhanced Humidity Control
The ML297V supports enhanced humidity control with compatible system controls and accessories.
SureLight® Silicon Nitride Ignitor
Electronic ignition uses a SureLight silicon-nitride ignitor.
ENERGY STAR® Qualified
The ML297V is ENERGY STAR qualified according to Lennox product specifications.
Sealed Blower Compartment
The sealed blower compartment is part of the ML297V design.
Air Filter & Humidifier Compatible
The furnace supports compatible air-filter and humidifier accessories.
Dual-Fuel Capable
The ML297V is dual-fuel capable when installed with compatible equipment and controls.
Technical Specifications
| Brand | Lennox |
| Series | ML297V |
| SKU / Listing Identifier | ML297V-110000 |
| Nominal Furnace Size | 110,000 BTU class |
| Fuel Type | Gas |
| AFUE | 97% |
| Heating Stages | Two-stage |
| Blower Motor | Variable-speed |
| Ignition | SureLight® Silicon Nitride Ignitor |
| Energy Star | Qualified |
| Quiet Operation | Steel cabinet and sound-absorbing materials |
| Humidity Control | Enhanced humidity control |
| Blower Compartment | Sealed |
| Air Filter / Humidifier | Compatible |
| Dual Fuel | Capable |
Professional Installation Included
Professional installation is included with this Jimmy HVAC listing. Installation should include appropriate equipment setup, electrical and gas connections, venting, airflow configuration and commissioning in accordance with applicable codes and manufacturer requirements.
Warranty
20-Year Heat Exchanger Warranty: Lennox specifies a 20-Year Limited Warranty on the furnace heat exchanger, subject to applicable warranty terms.
10-Year Parts Warranty: A 10-Year Extended Limited Warranty is available with applicable product registration and terms. Lennox’s current product information states that covered components have a 5-year warranty before the eligible extension.
1-Year Jimmy HVAC Labour Warranty: Jimmy HVAC provides 1 year of labour coverage under its applicable service warranty.
Registration requirements, eligibility, exclusions and other warranty conditions apply.
Why Buy This Lennox ML297V Furnace?
- 97% AFUE high-efficiency heating
- Two-stage heating operation
- Variable-speed blower motor
- ENERGY STAR qualified
- Enhanced humidity-control capability
- Quiet-operation design
- Professional installation included
- 20-year heat exchanger warranty
- 10-year extended parts coverage available with applicable registration
- 1-year Jimmy HVAC labour warranty
What’s Included
- Lennox ML297V gas furnace in the selected BTU class
- Professional installation by Jimmy HVAC
- Applicable manufacturer warranty coverage
- 1-year Jimmy HVAC labour warranty
Frequently Asked Questions
Is the Lennox ML297V a two-stage furnace?
Yes. Lennox specifies the ML297V as a two-stage gas furnace.
Does the ML297V use a variable-speed blower?
Yes. Lennox specifies a variable-speed blower motor.
What is the efficiency rating?
The ML297V is rated at up to 97% AFUE.
Is the ML297V ENERGY STAR qualified?
Yes, Lennox lists the ML297V as ENERGY STAR qualified.
Does it support humidity control?
Yes. Lennox lists enhanced humidity control as an ML297V feature.
What is the heat exchanger warranty?
Lennox lists a 20-Year Limited Warranty on the furnace heat exchanger, subject to applicable terms.
Is 10-year parts coverage available?
Yes. Lennox states that a 10-Year Extended Limited Warranty is available with applicable product registration and terms.
Is installation included?
Yes. Professional installation is included with this Jimmy HVAC listing.
Customer Reviews
10 reviews for Lennox ML297V 110,000 BTU Furnace
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 without compromising on quality.
Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know exactly what to expect before work begins.
Free Installation Included
Enjoy hassle-free setup with free professional installation completed on every purchase.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, highly reliable, and precise system installations and diagnostic repairs.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage alongside our trusted, comprehensive labor guarantees.
Get Expert Help With Your HVAC Needs
Questions about pricing, installation, or financing? We're here to help.
Professional HVAC Installation & Replacement
Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.
Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA and surrounding communities with reliable service and transparent pricing.
Full-Service HVAC Solutions
- Furnace installation & replacement
- Air conditioner installation
- Heat pump systems
- Tankless water heaters
- Boiler systems
- HVAC system upgrades & retrofits
- Complete Commercial HVAC Solutions
- Preventative maintenance & system inspections



Fraser Colquhoun –
From the initial assessment to post-installation inspection, Jimmy HVAC exceeded expectations. The Lennox ML297V furnace runs smooth, quiet, and noticeably more efficient than our old system.
Catherine Morissette –
Upgraded from an older 80% furnace to the Lennox ML297V. The continuous air circulation keeps our split-level home comfortable without noticeable temperature swings.
Devin Woloshyn –
Thorough, competent crew. Jimmy HVAC took the time to test gas pressure, calibrate our smart thermostat, and explain the filter maintenance schedule.
Roxanne Pendergast –
Jimmy HVAC assisted us in securing all eligible home energy grants, which significantly offset the project cost. Honest, upfront company.
Gordon MacFarlane –
Equipment works as advertised and is very efficient. We had some miscommunication regarding the technician’s arrival window on install morning, which created scheduling friction, but the unit itself is great.
Valérie Boudreault –
The Lennox ML297V furnace eliminated the drafty feeling across our main floor. Variable-speed heating makes a substantial difference in everyday comfort.
Russell D’Souza –
Jimmy HVAC runs a tight ship. Polite installers, spotless cleanup, and clean electrical wiring running into the furnace switch.
Andrea Quiring –
Great heating performance and smooth airflow. Jimmy HVAC was slightly pricier than an independent contractor we considered, but the comprehensive parts and labour warranty gave us peace of mind.
Craig Penstock –
Living in Northern Ontario demands a reliable heater. The Lennox ML297V furnace handled sustained -35°C weather with ease. Excellent installation by Jimmy HVAC.
Manon Vachon –
Quick diagnostic visit, clear recommendations, and swift install. Jimmy HVAC makes replacing home heating completely painless.