Specification
| Specification | Details |
|---|---|
| Make | Lennox |
| Model Number | ML296UH045XV36B |
| Furnace Type | High-Efficiency Gas Furnace |
| Fuel Type | Natural Gas |
| Heating Efficiency | 96% AFUE |
| Gas Stages | Two-Stage Heat |
| Maximum Heating Capacity | 44,000 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 |
Description
Lennox ML296 45,000 BTU High-Efficiency Gas Furnace
The Lennox ML296 45,000 BTU gas furnace is a dependable and energy-efficient heating solution designed for small homes, condos, and townhouses. With an impressive 96% AFUE efficiency, this furnace ensures that most of the fuel consumed is converted into usable heat, helping homeowners reduce heating costs while maintaining consistent indoor comfort.
Built with Lennox’s proven ML296 platform, this model features two-stage gas heating, which allows the furnace to run at a lower stage during milder weather and shift to full capacity only when needed. This results in more even temperatures, improved comfort, and quieter operation. A high-efficiency blower motor ensures balanced airflow throughout the home, minimizing hot and cold spots.
Compact, reliable, and ENERGY STAR® certified, the Lennox ML296 45,000 BTU furnace is an excellent choice for homeowners seeking long-term performance, improved comfort control, and dependable Lennox quality.
Key Benefits
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Two-Stage Heating: Improved temperature control and enhanced comfort
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96% AFUE Efficiency: Lower energy consumption and reduced heating bills
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Quiet Operation: Runs at lower capacity most of the time for reduced noise
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Even Heat Distribution: High-efficiency blower minimizes temperature swings
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Compact Design: Ideal for installations with limited space
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ENERGY STAR® Certified: Meets strict efficiency and environmental standards
Key Highlights
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96% AFUE High-Efficiency Gas Furnace
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Two-Stage Gas Valve for Better Comfort Control
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ENERGY STAR® Certified Performance
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Designed for Small Residential Applications
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Direct Vent System for Safe Operation
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Backed by Lennox Reliability and Warranty Protection





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