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| Brand | Lennox |
| Series | ML297V |
| Model / SKU | ML297V-90000 |
| Furnace Size | 90,000 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 90,000 BTU class furnace with 97% AFUE, two-stage heating and a variable-speed blower motor. Professional installation is included by Jimmy HVAC.
Lennox ML297V 90,000 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-90000 |
| Nominal Furnace Size | 90,000 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
7 reviews for Lennox ML297V 90,000 BTU Furnace
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
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Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage alongside our trusted, comprehensive labor guarantees.
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Request Your Free Quote
Get expert help with HVAC equipment, clear pricing and professional installation for your home.
Trusted by 50,000+ Homeowners Across the GTA & Surrounding Communities
Why Choose Us
Dependable HVAC solutions, customer-focused service and support for your home comfort needs.
Need HVAC Help? Contact Jimmy HVAC
Get in touch for equipment inquiries, installation information or help choosing the right HVAC solution.
Quality Heating Solutions
We Install All Major Furnace Brands
- Lennox
- Goodman
- Kepler
- Midea
- Bosch
- York
- Keeprite
- Trane
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
Bradley Cloutier –
Straightforward quote and great financing options. The Lennox ML297V furnace was priced fairly, and Jimmy HVAC’s team executed the entire swap in under six hours.
Joanne Hnatiuk –
Very pleased with the Lennox ML297V furnace. We noticed a slight vibration hum at first, but Jimmy HVAC returned promptly to adjust the mounting pads and now it runs silently.
Alistair MacQuarrie –
True professionals. Jimmy HVAC removed our cracked heat exchanger system, disposed of all debris, and reconfigured the return ducting with exceptional attention to detail.
Nathanial Proulx –
The Lennox ML297V furnace is barely audible even when running on second stage. Very impressed with the quality.
Kimberley Arsenault –
The furnace heats nicely and the variable motor is very quiet. However, the installation crew left an hour early for a missing fitting, meaning the job spilled into a second morning. Jimmy HVAC got it right in the end.
Malcolm Brookes –
The efficiency of this Lennox ML297V furnace is remarkable. Our gas consumption decreased by nearly 25% compared to the previous winter.
Danielle Archambault –
Fast response time when our furnace quit during a February cold snap. Jimmy HVAC had a technician assess the unit within two hours and installed the replacement the next day.