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| Brand | Lennox |
| Series | ML296V Merit Series |
| Model | ML296UH070XV36BK |
| Furnace Size | 70,000 BTU Class |
| High-Fire Input | 66,000 BTU/h |
| High-Fire Output | 62,000 BTU/h |
| Efficiency | Up to 96% AFUE |
| Heating Stages | Two-Stage |
| Blower Motor | Variable-Speed |
| Configuration | Upflow / Horizontal |
| Installation | Professional Installation Included |
| Heat Exchanger Warranty | 20-Year Limited Warranty |
| Parts Warranty | 5-Year standard; extended coverage may be available with registration |
| Labour Warranty | 1-Year Standard Labour Warranty |
The Lennox ML296 {m[“btu”]} BTU-class gas furnace combines up to 96% AFUE, two-stage heating and a variable-speed blower. Professional installation is included with Smart Savings Canada, with financing available on qualifying purchases.
Lennox ML296 70,000 BTU Furnace
The Lennox ML296 70,000 BTU gas furnace is a high-efficiency Merit Series furnace designed for dependable home heating with up to 96% AFUE, two-stage heating and a variable-speed blower. This model is suitable for upflow or horizontal installations and is available for professional installation through Smart Savings Canada.
Key Features
- Up to 96% AFUE: High-efficiency gas heating designed to use fuel efficiently.
- Two-stage heating: Adjusts heating output to better match demand and support more consistent comfort.
- Variable-speed blower: Helps provide steady airflow and supports enhanced comfort.
- Upflow / horizontal installation: Flexible configuration for a range of residential applications.
- Dual-fuel capable: Can be paired with a compatible heat pump system.
- Onboard refrigerant detection: K-series model includes refrigerant detection functionality for applicable A2L systems.
Technical Specifications
| Brand | Lennox |
| Series | ML296V Merit® Series |
| Model Number | ML296UH070XV36BK |
| Furnace Size | 70,000 BTU Class |
| AFUE | Up to 96% |
| High-Fire Input | 66,000 BTU/h |
| High-Fire Output | 62,000 BTU/h |
| Low-Fire Input | 43,000 BTU/h |
| Low-Fire Output | 41,000 BTU/h |
| Heating Stages | Two-Stage |
| Blower Motor | Variable-Speed |
| Fuel Type | Natural Gas / LP-Propane Convertible |
| Configuration | Upflow / Horizontal |
| ENERGY STAR | Certified / qualifying configurations |
| Refrigerant Detection | Onboard RDS for A2L systems |
| Add-On Cooling | 2–3 Tons |
| Air Volume Range | 500–1,365 CFM |
| Electrical | 120V, 60Hz, 1 Phase |
| Shipping Weight | 138 lbs |
| Dimensions | 17-1/2 W × 27-3/4 H × 23-1/2 D in. |
Warranty
- Heat Exchanger: 20-Year Limited Warranty
- Covered Parts: 5-Year standard coverage; eligible products may qualify for extended coverage with registration.
- Labour: 1-Year Standard Labour Warranty through Smart Savings Canada.
Manufacturer warranty terms, registration requirements and exclusions apply. Please confirm current warranty coverage before purchase.
Professional Installation
Professional installation is included with the Smart Savings Canada offer. Final installation requirements, venting, gas connections, electrical work and any modifications outside the standard installation scope may affect the final installation cost.
Contact Smart Savings Canada for availability, installation details, financing options and a quote for the Lennox ML296 70,000 BTU furnace.
Customer Reviews
12 reviews for Lennox ML296 70,000 BTU Furnace
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From heating and cooling upgrades to high-efficiency home comfort systems, Smart Savings Canada helps homeowners choose the right equipment, installation, and payment options for their homes.
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Serving Homeowners Across the GTA
Smart Savings Canada proudly serves homeowners throughout the Greater Toronto Area and surrounding communities.

Mélanie Roy –
Professional service, fair pricing, and skilled technicians. I would confidently recommend Smart Savings Canada to anyone upgrading their heating.
Paul Henderson –
Very pleased with the overall experience. Improved efficiency, consistent heat, and great customer support throughout.
Stephanie Nguyen –
Quick response and smooth scheduling. Everything was completed faster than expected, and the system works perfectly.
Marco DeLuca –
Smart Savings Canada offered the lowest quote and stuck to it. No surprises, just honest pricing and solid service.
Courtney Lewis –
The install team arrived on time and explained each step clearly. Clean work and excellent attention to detail.
Ahmed Rahman –
The heating is powerful yet quiet, and our home feels more comfortable than ever. Very satisfied with the results.
Isabelle Fortin –
Fast service from start to finish. We called in the morning and had everything installed quickly. Great experience overall.
Jonathan Miller –
Best pricing we found after comparing several HVAC companies. Smart Savings Canada delivered great value without compromising on quality.
Harpreet Singh –
The installation crew was outstanding. Very professional, respectful, and efficient. They completed everything neatly and on schedule.
Robert Sinclair –
Excellent heating performance and very reliable. Smart Savings Canada made the whole process simple and stress-free.
DAVID SIMAON –
SAMRT SAVINGS did a very professional job. Highly recommended
MANISH DESAI –
Well done job