Arizona PSI R-39/C-39 (CR-39) Air Conditioning and Refrigeration (Residential/Commercial) Contractor Exam Prep Course

Arizona PSI R-39/C-39 (CR-39) Air Conditioning and Refrigeration (Residential/Commercial) Contractor Exam Prep Course is part of our comprehensive contractor exam prep program designed to help you achieve your state licensing goals quickly and confidently. Whether you’re just starting your journey or upgrading your trade credentials, Contractor Exam Preps gives you the tools, knowledge, and confidence to succeed.

Arizona PSI R-39/C-39 (CR-39) Air Conditioning and Refrigeration (Residential/Commercial) Contractor Exam Prep Course

The Arizona PSI R-39/C-39 (CR-39) Air Conditioning and Refrigeration Contractor Exam Prep Course is designed for candidates preparing for the HVAC and refrigeration licensing exam administered by PSI for the Arizona Registrar of Contractors. The course aligns with the open-book exam format and covers refrigeration system fundamentals, HVAC equipment installation, ductwork and airflow principles, piping and tubing requirements, electrical components, load calculations, heat pump and combustion systems, and OSHA job-site safety standards. It provides structured study modules, reference-navigation strategies, and practice questions supporting mastery of both residential and commercial HVAC and refrigeration knowledge evaluated during the Arizona contractor licensing examination.