Installation included
Warranty protection
Affordable pricing
Fast local service

Lennox ML297V 70,000 BTU Furnace

97% AFUE
Two-Stage Heat
Quiet Operation
Energy-Efficient
Price
$4,045 $2,999
Save  $1,046
Monthly Payment Plan
$33.95 /month
Financing help available
Current offers available while stock lasts
✓ Secure checkout ✓ Installation included ✓ Warranty protection
Installation Within 2 Days GTA & Nearby
Lowest Prices Guaranteed
TSSA Certified Technicians
Flexible Financing
24/7 Support
Brand Lennox
Series ML297V
Model / SKU ML297V-70000
Furnace Size 70,000 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 70,000 BTU class furnace with 97% AFUE, two-stage heating and a variable-speed blower motor. Professional installation is included by Jimmy HVAC.

Lennox ML297V 70,000 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-70000
Nominal Furnace Size 70,000 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.

Your Comfort. Our Commitment.

Request Your Free Quote

Get expert help with HVAC equipment, clear pricing and professional installation for your home.

Professional Installation Included
Lowest Prices Guaranteed
TSSA Certified Technicians
Locally Owned & Operated

    Trusted by Homeowners

    Trusted by 20,000+ Homeowners Across the GTA & Surrounding Communities

    Happy homeowners represented in the Jimmy HVAC customer trust banner
    The Jimmy HVAC Difference

    Why Choose Us

    Dependable HVAC solutions, customer-focused service and support for your home comfort needs.

    24/7 Emergency HVAC Support Across Ontario
    Complimentary In-Home Assessment
    Locally Owned & Operated
    Customer-Focused, Award-Winning Service
    Flexible Financing Options
    Qualified & Certified Technicians
    Talk to Our Team

    Need HVAC Help? Contact Jimmy HVAC

    Get in touch for equipment inquiries, installation information or help choosing the right HVAC solution.

    Friendly guidance to help you find an HVAC solution that fits your home and budget.
    Lennox, Goodman and Kepler furnace units

    Quality Heating Solutions

    We Install All Major Furnace Brands

    • Lennox
    • Goodman
    • Kepler
    • Midea
    • Bosch
    • York
    • Keeprite
    • Trane

    Need Help Choosing Your Furnace?

    Get expert guidance on choosing the right furnace for your home, comfort needs and budget. Get a Free Quote

    Personalized recommendations for your home

    Customer Reviews

    6 reviews for Lennox ML297V 70,000 BTU Furnace

    1. Owen Gallagher –

      Good overall experience with Jimmy HVAC. It took a few business days to receive the final warranty registration document, but the furnace install itself was fast and clean.

    2. Monique Tremblay-Côté –

      Our home stays at a steady 21°C no matter how cold it gets outside. The variable-speed fan on the Lennox ML297V furnace makes our old single-stage furnace feel prehistoric.

    3. Brett Giesbrecht –

      Super quiet operation and tidy sheet metal transitions. Top marks for Jimmy HVAC.

    4. Darcy Lavoie –

      Competitive pricing with zero pushy upsells. Jimmy HVAC quoted three tiers and the Lennox ML297V offered the best balance of efficiency and price for our budget.

    5. Harinder Sandhu –

      The Lennox ML297V furnace performs well, but the delivery of the unit was delayed by two days due to supply chain backorders. Jimmy HVAC kept me updated, but scheduling time off work twice was frustrating.

    6. Shannon Kilpatrick –

      Clean, courteous, and efficient. Jimmy HVAC protected our hardwood stairs with heavy mats and swept up thoroughly before leaving.

    Add a review

    Your email address will not be published. Required fields are marked *

    Why Homeowners Trust Jimmy HVAC for Reliable Comfort

    Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.

    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.

    Service Area

    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

    Cities We Serve

    Toronto Mississauga Brampton Vaughan Markham Richmond Hill Oakville Milton Pickering Ajax Whitby Oshawa Aurora Newmarket Stouffville Burlington Halton Hills Caledon Clarington Bowmanville Uxbridge Kitchener Waterloo Cambridge Guelph Hamilton Niagara Falls St. Catharines Welland Thorold Barrie London
    ✓ Serving the GTA and surrounding communities across Southern Ontario.