ARIZONA R-39/C-39 (CR-39) AIR CONDITIONING AND REFRIGERATION (RESIDENTIAL/COMMERCIAL) CONTRACTOR - ONLINE EXAM PREP COURSE

The Arizona R-39/C-39 (CR-39) Air Conditioning and Refrigeration Contractor Exam Prep Course by 1 Exam Prep prepares candidates for the Arizona Registrar of Contractors (ROC) licensing exam, covering residential and commercial HVAC system installation, maintenance, and repair. This online course aligns with PSI exam standards and references key materials such as the International Mechanical Code and Arizona State statutes relevant to air conditioning and refrigeration contracting. It provides structured review modules on system design, load calculations, electrical fundamentals, and safety requirements under Arizona law. The training is specifically designed to help contractors meet ROC licensing qualifications for both R-39 residential and C-39 commercial classifications, ensuring compliance with mechanical and refrigeration regulations across Arizona’s construction industry.

Get one step closer to becoming an Arizona R-39/C-39 (CR-39) Air Conditioning and Refrigeration (Residential/Commercial) Contractor with a prep course designed by 1ExamPrep to help you conquer the required Arizona PSI examination.

1ExamPrep has mastered and perfected the process of passing any open-book contractor exam for every type of student. The course includes:

• Highlighting and tabbing location for each book allowed into the exam, so you can quickly and easily reference your materials during the exam
• Practice questions 
• Test taking techniques video and tips  
• Instructor available via text, phone, and email
• 1 full year of access to the course
• Android and iOS Compatible - Complete the course on your phone, anytime or anywhere.