New Zealand Certificate in Air Conditioning Installation (Level 4) Refrigerant recovery procedures, psychrometric chart interpretation, and ductwork pressure-drop calculations form the core of this Level 4 qualification. You’ll need working knowledge of EPA-equivalent regulations governing ozone-depleting substances in New Zealand, plus hands-on competency with split-system commissioning and fault diagnosis using digital multimeters. The exam rewards those who can troubleshoot thermostatic expansion valve performance and size compressors accurately for residential applications.
| Exam Name | New Zealand Certificate in Air Conditioning Installation (Level 4) |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
