NCCER Air Testing and Balancing (04402) Air balancing technicians must precisely measure duct velocity, static pressure, and airflow rates across multiple zones? skills directly assessed in this exam. You’ll interpret manometer readings, adjust dampers for optimal distribution, and troubleshoot imbalances in real HVAC systems. The test emphasizes field competency over theory, requiring you to apply instrumentation techniques and volume calculations that service technicians perform daily.
| Exam Name | NCCER Air Testing and Balancing |
| Exam Code | 04402 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
