Air Door: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Temperature Mixing | 1.4 | 1.0 | B | |
| Central Valve | 1.4 | 1.0 | B | |
| Defroster | 0.9 | 0.7 | B | |
| Fresh Air/ Recirculation | 0.7 | 0.6 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Temperature Mixing | 1.4 | 1.0 | B | |
| Central Valve | 1.4 | 1.0 | B | |
| Defroster | 0.9 | 0.7 | B | |
| Fresh Air/ Recirculation | 0.7 | 0.6 | B |