NCCER Heating and Cooling System Design (03407) NCCER’s 03407 curriculum now reflects the shift toward high-efficiency systems and refrigerant regulations that reshaped the industry post-2023. Load calculations using updated software tools and compliance with EPA Section 608 requirements form the technical core. Coverage of heat pump technology expanded significantly, recognizing their dominance in residential retrofits and new construction across temperate zones.
| Exam Name | NCCER Heating and Cooling System Design |
| Exam Code | 03407 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |

