NCCER Installation of Ductwork (04106) NCCER 04106 positions you for roles in HVAC installation where precision ductwork layout directly influences system efficiency and building comfort. Mastering sealing, insulation, and rigid/flexible duct assembly prepares you to advance from entry-level installer to crew lead or supervisor, with clear earning progression in residential and commercial sectors.
| Exam Name | NCCER Installation of Ductwork |
| Exam Code | 04106 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |

