| Feature | 
 
 
SLP98V Variable-Capacity Gas Furnace
 
 | 
| Rating | 
  ( 4.7 )
 | 
| Energy Efficiency | 
Up to 98.7% AFUE | 
| ENERGY STAR® Qualified | 
  | 
| Stages of Heating | 
Modulating | 
| Quiet Operation | 
SilentComfort™ Technology and Fully Insulated Cabinet | 
| Motor | 
Variable Speed | 
| Enhanced Humidity Control | 
  | 
| Blower Compartment | 
Insulated | 
| Air Filter and Humidifier Compatible | 
  | 
| Ultra-Low Continuous Fan | 
  | 
| Ignition | 
SureLight® Silicon Nitride Ignitor | 
| Parts Warranty | 
10-Year Limited Warranty on covered components | 
| Heat Exchanger Warranty | 
Limited Lifetime Warranty |