Trane > XB Furnace Grid
| XB90 | XB80 | |
| AFUE | 92 | 80 |
| Energy Star | Yes | No |
| Convertible | Yes | Yes |
| Blower Speed | Four-Speed | Four-Speed |
| Heating Stages | Single | Single |
| Extended Warranty | Optional Available | Optional Available |
| Registered Limited Warranty | Lifetime Heat Exchanger, 5-year functional parts | Twenty-year Heat Exchanger, 5-year Functional Parts |
