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| Brand | Lennox |
| Series | ML296 |
| Model / SKU | ML296UH045XV36B |
| Furnace Size | 45,000 BTU class |
| Efficiency | 96% AFUE |
| Heating Stages | Two-Stage Heat |
| Blower Motor | Variable-speed |
| Ignition | SureLight® Silicon Nitride Ignitor |
| ENERGY STAR | Yes |
| Fuel Type | Natural Gas |
| Configuration | Upflow / Horizontal |
| Installation | Professional installation included |
| Heat Exchanger Warranty | 20-Year Heat-Exchanger Warranty |
| Parts Warranty | 10-Year Parts Warranty |
| Labour Warranty | 1-Year Labour Warranty — ZERO HVACR |
Lennox 45,000 BTU class gas furnace — ML296UH045XV36B with 45,000 BTU class, 96% AFUE, Two-Stage Heat, Variable-speed, Natural Gas. Professional installation is included.
Product Overview
Lennox ML296 45,000 BTU 96% AFUE Two-Stage Gas Furnace is a high-efficiency residential gas furnace designed to provide dependable heating performance and consistent indoor comfort. The 45,000 BTU capacity class is intended for applications where a properly sized furnace is required. With 96% AFUE efficiency and two-stage heating, the system is configured for efficient operation and reliable comfort.
Model: ML296UH045XV36B
Key Features
- High-Efficiency Heating: 96% AFUE performance for efficient fuel use.
- Heating Control: Two-Stage Heat operation helps match heating output to demand.
- Fuel Type: Natural Gas as specified for this model.
- Installation Configuration: Upflow / Horizontal for flexible residential applications.
Technical Specifications
| 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 |
Installation
Lennox furnace installation should be completed by a qualified HVAC professional. Professional installation is recommended for safe, compliant furnace setup, venting, gas connections, airflow configuration and commissioning.
Warranty Information
- 20 Years
- 10 Years
- 1 Year
Why Consider This Lennox Furnace?
- High-efficiency heating designed for residential comfort.
- Capacity and operating configuration matched to the selected model.
- Technical specifications are presented clearly for easier comparison.
- Professional installation support for safe and reliable system operation.
Product specifications, efficiency ratings, warranty coverage and installation requirements are subject to the applicable manufacturer documentation and may vary by model or configuration.
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