Arkansas Mechanical Contractor (AR) The AR exam probes your familiarity with HVAC load calculations, electrical service sizing for mechanical systems, and gas piping code compliance under Arkansas regulations. You’ll face detailed questions on refrigerant handling, ductwork design pressure drops, and equipment efficiency standards. Plumbing interconnections and backflow prevention add another layer of complexity.
| Exam Name | Arkansas Mechanical Contractor |
| Exam Code | AR |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
