Free tool
Furnace comparison tool
Add up to 4 furnaces and compare efficiency, warranties, sound and installed pricing side by side. Best value in each row is highlighted.
Lennox
SLP99V
99% AFUE
Carrier
Infinity 98 (59MN7)
98.5% AFUE
| Brand | Lennox | Carrier |
|---|---|---|
| Type | Modulating | Modulating |
| AFUE Efficiency | 99% | 98.5% |
| Blower | variable-speed ECM | variable-speed ECM |
| Sound Level | 58 dB | 58 dB |
| ENERGY STAR | ✓ Yes | ✓ Yes |
| Heat Exchanger Warranty | Lifetime | Lifetime |
| Parts Warranty | 10 yr | 10 yr |
| Rating | 4.8(131) | 4.8(131) |
| Installed Price | $9,300 – $11,100 | $9,100 – $10,900 |
| Get Quote | Get Quote |