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The following references are recommended to study for the Arizona C-39R (Residential) and L-39 (Commercial) Air Conditioning and Refrigeration Exam. This examination is used to obtain a Arizona C-39R (Residential) and L-39 (Commercial) Air Conditioning and Refrigeration License. Also to become a licensed contractor in Arizona, candidates will also need to pass a business and management exam.
Only the following references are permitted to be taken into the exam.
- OSHA 1926
- International Fuel Gas Code
- International Mechanical Code
Modern Refrigeration and Air Conditioning, 21st Edition$163.99
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
Low Pressure Boilers, 5th Edition$119.99
Low Pressure Boilers is the leading resource for preparing for low pressure boiler operator and facility operating engineer licensing.
2009 International Mechanical Code$83.99
Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions.
2009 International Fuel Gas Code$82.99
Addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.
ACCA Ductulator – Duct Calculation Slide Rule$63.99
One of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
Arizona C-39 R and L-39 Tab Pack$31.99
PERMANENT TABS PACKAGE – This package includes permanent tabs for all references allowed to be used during the exam.