Prepare with confidence and pass your Arizona Air Conditioning and Refrigeration Residential / Commercial Contractor (CR-39) Exam with this focused, high-impact Online Exam Prep Course—designed specifically around the references used on the Arizona contractor licensing exam and built to help you succeed in Arizona’s open-book testing environment.
Whether you work in residential HVAC systems, commercial refrigeration equipment, fuel gas systems, boiler operations, or air distribution systems, this course gives you the exact technical knowledge, code navigation strategies, and practice tools you need to pass on your first try.
A structured, easy-to-follow training program that breaks down the major topics covered on the Arizona Air Conditioning and Refrigeration Residential / Commercial Contractor (CR-39) Exam using the approved exam references.
Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
International Fuel Gas Code (IFGC), 2018
International Mechanical Code (IMC), 2018
Modern Refrigeration and Air Conditioning, 22nd Edition
Low Pressure Boilers, 5th Edition
Manual D, 2016, 3rd Edition
Ductulator
The course helps you understand both the technical and code-based knowledge required to successfully pass the exam and perform confidently in residential and commercial HVACR work.
Master the most important skill for passing an open-book HVACR exam—knowing how to quickly locate answers under time pressure.
This course includes step-by-step instruction on:
How to properly tab your books for fast navigation
How to highlight key HVAC and mechanical code sections
How to use indexes, charts, and tables effectively
Proven search techniques for locating answers quickly
Strategies used by successful Arizona contractor exam candidates
The course covers the critical concepts and systems tested on the Arizona Air Conditioning and Refrigeration Residential / Commercial Contractor (CR-39) Exam, including:
Heating and cooling system fundamentals
Ventilation and air distribution systems
HVAC equipment installation standards
Mechanical code compliance
Residential and commercial HVAC troubleshooting methods
Refrigeration cycle principles
Residential and commercial refrigeration equipment
Refrigerant management and handling
Troubleshooting refrigeration systems
Refrigeration safety and diagnostics
Gas piping installation methods
Appliance venting requirements
Combustion air standards
Fuel gas safety procedures
IFGC code compliance practices
Low-pressure boiler operation
Boiler maintenance and troubleshooting
Steam and hot water systems
Combustion principles
Boiler controls and inspections
Residential and commercial duct system design
Airflow balancing methods
Duct sizing calculations
Friction loss calculations
HVAC efficiency optimization
International Mechanical Code requirements
HVAC installation regulations
Ventilation system standards
Equipment clearance requirements
Mechanical safety and inspection practices
HVAC jobsite safety standards
Personal protective equipment (PPE)
Ladder and scaffolding safety
Hazard communication requirements
OSHA compliance for HVAC and refrigeration work
Train with realistic practice exams designed to simulate the actual testing experience.
Multiple timed practice exams
Questions aligned with real Arizona contractor exam topics
Open-book navigation exercises
Detailed answer explanations
Speed and accuracy training
These practice exams help build confidence while improving your ability to quickly locate answers within the approved references.
Learn how to approach the Arizona HVACR contractor exam efficiently and strategically:
Time management techniques for open-book exams
How to break down difficult code and technical questions
When to look up answers versus answer from knowledge
How to avoid common testing mistakes
Strategies to improve speed and confidence
Study anytime, anywhere, at your own pace.
Perfect for working HVAC professionals balancing exam prep with active residential and commercial projects and jobsite responsibilities.
This isn’t just a general HVAC course—it’s a proven exam prep system specifically built around how the Arizona Air Conditioning and Refrigeration Residential / Commercial Contractor (CR-39) Exam is structured.
By combining:
Open-book navigation mastery
HVACR technical and mechanical code review
Refrigeration and boiler systems training
Duct design and airflow calculation instruction
Realistic practice exams
Proven exam strategies
…you dramatically improve your chances of passing quickly and confidently.
If you're serious about becoming a licensed Arizona HVACR contractor, this course gives you a clear roadmap to success—from understanding the material to mastering the open-book exam format.
Get your Arizona Air Conditioning and Refrigeration Residential / Commercial Contractor (CR-39) Exam – Online Exam Prep Course today and take the next step toward earning your Arizona contractor license.