Carrier Gas Furnaces
| Model | AFUE |
Product Brochure |
| Infinity ICS | up to 95% | |
| Infinity 96 | up to 96.6% | |
| Infinity 80 | 80.00% | |
| Performance 93 | 93% | |
| Performance 80 | 80% | |
| Comfort 92 | 92% | |
| Comfort 80 | 80% |
Furnaces
Lennox Gas Furnaces
| Model | AFUE |
Product Brochure |
| G61V | up to 95.00% | |
| G60V | 80.00% | |
| G61 | 94.10% | |
| G51 | 92.10% | |
| G50 | 80.00% | |
| G43 | up to 92.10% | |
| G40 | 80.00% |