Lennox SLP99UH090XV60C*vsLennox SLP99UH135XV60D*
Side-by-side furnace comparison
Lennox SLP99UH090XV60C*
AFUE
99%
Fuel
Natural Gas, Propane Gas
Certified In
All
Lennox SLP99UH135XV60D*
AFUE
98.4%
Fuel
Natural Gas, Propane Gas
Certified In
All
Key differences
Both models are closely matched on afue: 99.0 vs 98.4 %. The Lennox SLP99UH090XV60C* is larger at 99 % versus 98.4 %.
Efficiency
| Spec | Lennox | Lennox |
|---|---|---|
| AFUE(%) | 99 | 98.4 |
| Fuel Type | Natural Gas, Propane Gas | Natural Gas, Propane Gas |
| Can Integrate Hot Water Heating | No | No |
Certification
| Spec | Lennox | Lennox |
|---|---|---|
| Certified In | All | All |
| Model Name | SLP99V Variable-Capacity Gas Furnace Series | SLP99V Variable-Capacity Gas Furnace Series |