NCCER System Air Balancing (03402) Air balancing demands precision that separates casual technicians from specialists. The 03402 exam probes your grasp of ductwork pressure dynamics, flow measurement techniques, and real-world troubleshooting when systems refuse to cooperate. Expect rigorous questions on damper adjustment strategies and how minor miscalculations cascade into energy waste across entire installations.
| Exam Name | NCCER System Air Balancing |
| Exam Code | 03402 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
