Certified HVAC Designer (CHD) HVAC designers specify ductwork layouts, select compressor capacities, and calculate load requirements for commercial buildings? work that directly shapes occupant comfort and energy bills. The CHD credential signals you can perform these technical tasks independently, from load calculations through system selection and blueprint coordination with architects and contractors.
| Exam Name | Certified HVAC Designer |
| Exam Code | CHD |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
