640-LA 640 ? Louisiana (New Orleans) Second Class Stationary Air Conditioning The 640-LA exam splits into two distinct sections a written component testing thermodynamic principles, refrigerant handling, and electrical safety codes, followed by a practical demonstration where you’ll diagnose and service an actual stationary AC unit. This dual structure ensures you prove both theoretical knowledge and hands-on troubleshooting capability in Louisiana’s regulatory framework.
| Exam Name | 640-LA 640 ? Louisiana (New Orleans) Second Class Stationary Air Conditioning |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
