Lennox EL297VK High-Efficiency Two-Stage Gas Furnace
Up to 97% AFUE Efficiency with Variable-Speed Comfort, Quiet Operation, and 2025 Refrigerant Compliance
Overview
The Lennox EL297VK Gas Furnace from the Elite® Series is designed to deliver high-efficiency heating, consistent indoor comfort, and quiet operation. With an AFUE rating of up to 97%, this ENERGY STAR® qualified furnace uses a two-stage heating system to adjust heat output to your home’s needs, helping maintain balanced temperatures while reducing unnecessary energy use. Its variable-speed blower supports smooth, even airflow, while the fully insulated cabinet and sealed blower compartment help minimize operating noise. The EL297VK also features enhanced humidity control, compatibility with air filters and humidifiers, ultra-low continuous fan operation, and dual-fuel capability with compatible equipment. It is designed to comply with 2025 EPA requirements for lower-global-warming-potential refrigerants when used in a compatible system.
| Brand | Lennox |
|---|
Specifications
| Specification | Details |
|---|---|
| Brand | Lennox |
| Product Name | EL297VK Gas Furnace |
| Series | Elite® Series |
| Product Type | High-Efficiency Gas Furnace |
| Heating Stages | Two-Stage |
| Blower Motor | Variable Speed |
| Maximum AFUE Rating | Up to 97% |
| ENERGY STAR® Certified | Yes |
| Refrigerant Compliance | Compatible with 2025-compliant, lower-GWP refrigerant systems |
| Cabinet | Fully Insulated |
| Blower Compartment | Sealed |
| Humidity Control | Enhanced Humidity Control |
| Air Filter Compatible | Yes, with compatible accessories |
| Humidifier Compatible | Yes, with compatible accessories |
| Continuous Fan | Ultra-Low Continuous Fan |
| Dual-Fuel Capable | Yes, with compatible equipment |
| Ignition System | SureLight® Silicon Nitride Ignitor |
| Heat Exchanger Warranty | Limited Lifetime Warranty |
| Parts Warranty | Eligible customers may qualify for extended coverage; terms and conditions apply |
| Heating Input | Varies by model; published configurations range from approximately 44,000 to 132,000 BTU/h |
| Nominal Cooling Compatibility | 2–5 tons, depending on model |
| Electrical Requirements | Model-dependent; listed configurations include 115 VAC, single-phase, 60 Hz |
| Installation Configuration | Upflow/Horizontal or Downflow, depending on model |
| Price Guide | $$ |
Features
- Up to 97% AFUE Efficiency: Converts up to 97% of the fuel consumed into usable heat.
- ENERGY STAR® Certified: Meets applicable energy-efficiency requirements.
- Two-Stage Heating: Adjusts between lower and higher heating levels to maintain more consistent indoor temperatures.
- Variable-Speed Blower Motor: Adjusts airflow to support even heat distribution and comfortable indoor conditions.
- Fully Insulated Cabinet: Helps reduce operating noise.
- Sealed Blower Compartment: Supports efficient system operation.
- Enhanced Humidity Control: Helps maintain comfortable indoor humidity when paired with compatible equipment.
- Air Filter and Humidifier Compatibility: Supports compatible indoor air quality accessories.
- Ultra-Low Continuous Fan: Provides continuous low-speed airflow when configured appropriately.
- Dual-Fuel Capability: Can be paired with compatible heat pump equipment.
- SureLight® Silicon Nitride Ignitor: Provides electronic ignition.
- 2025 Refrigerant Compliance: Designed for compatibility with systems using lower-global-warming-potential refrigerants under applicable 2025 requirements.
- Limited Lifetime Heat Exchanger Warranty: Coverage is subject to Lennox warranty terms and conditions.
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