| Energy Efficiency | Up to 97.5% |
|---|---|
| ENERGY STAR® Certified |  |
| Stages of Heating | Two-Stage |
| Quiet Operation | SilentComfort™ Technology and Sound Absorbing Insulation |
| Motor | Variable-Speed |
| Enhanced Humidity Control | |
| Blower Compartment | Insulated |
| Air Filter and Humidifier Compatible | |
| Ultra-Low Continuous Fan | |
| Dual-Fuel Capable | |
| Ignition | SureLight® Silicon Nitride Ignitor |
| Parts Warranty | 5-year limited warranty on covered components |
| Heat Exchanger Warranty | Limited Lifetime Warranty |
- 410.782.0937
- 8082 Veterans Highway
Lennox SL297NV Gas Furnace
Variable-Speed, Ultra-Low Emissions Gas Furnace.
The SL297NV ultra-low NOx gas furnace with our revolutionary design provides reliable comfort, while producing 65% lower NOx emissions than standard low NOx furnaces. So, while you’re staying cozy and warm, you’re also helping to protect the environment.
