Arizona (C-39, CR-39, R-39) Residential Air Conditioning and Refrigeration (Residential/Commercial) | EXAMPREP.ORG

Arizona (C-39, CR-39, R-39) Residential Air Conditioning and Refrigeration (Residential/Commercial)

This classification allows the licensee to install and repair comfort air conditioning systems, including refrigeration, evaporative cooling, ventilating, and heating with or without solar equipment. Installation and repair of machinery, units, accessories, refrigerator rooms, and insulated refrigerator spaces, and controls in refrigerators. If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.


This scope includes all R-39R subclassifications.


R-39R Air Conditioning and Refrigeration


R-39R Temperature Control Systems R


-39R Warm Air Heating, Evaporative Cooling and Ventilating


R-39R Evaporative Cooling and Ventilators


Upon the effective date of these rules, no new applications for the R-39R Gas Refrigeration, Temperature Control Systems, Warm Air Heating, Evaporative Cooling and Ventilating, Evaporative Cooling and Ventilators, and Pre-Coolers license classifications will be accepted and no new R-39R licenses in these classifications will be issued.

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Required Books 

The reference materials listed were used to create the questions for this exam. The exam may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of reference books as they become available. For Code questions, the examinations will be based only on the edition of the Code book that is listed.

Some of the books are not permitted into the exam. This is a semi-open book test.


Add All Required Books to Cart ($670.00)

Applicants are required to have 4 years of verifiable experience and must pass the Arizona Business Management Exam in addition to the C-39 / CR-39 / R-39 exam.

All Contractors are required to obtain bonds. The amount is based on the license classification and the yearly work volume.

For the lowest priced bonds in Arizona call our office at (480) 689-8356.


This classification allows the licensee to install and repair comfort air conditioning systems, including refrigeration, evaporative cooling, ventilating, and heating with or without solar equipment. Installation and repair of machinery, units, accessories, refrigerator rooms, and insulated refrigerator spaces, and controls in refrigerators. If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or sub-panel.

This scope includes all R-39R subclassifications.

R-39R Air Conditioning and Refrigeration

R-39R Temperature Control Systems R

-39R Warm Air Heating, Evaporative Cooling and Ventilating

R-39R Evaporative Cooling and Ventilators

Upon the effective date of these rules, no new applications for the R-39R Gas Refrigeration, Temperature Control Systems, Warm Air Heating, Evaporative Cooling and Ventilating, Evaporative Cooling and Ventilators, and Pre-Coolers license classifications will be accepted and no new R-39R licenses in these classifications will be issued.

To apply for a license, contact:

Registrar of Contractors
800 West Washington St.  6th floor
Phoenix, AZ 85007
(602)542-1525

www.rc.state.az.us/

Important Contacts

To apply for a license, contact:

Registrar of Contractors
1700 West Washington St. Ste.105
Phoenix, AZ 85007
(602)542-1525

The State Testing Agency is PSI


PSI Licensure: Certification
ATTN: Examination Registration GA
3210 E Tropicana
Las Vegas, NV 89121
(800) 733-9267

Reciprocity information can be obtained by contacting the Registrar of Contractors
Continuing Education requirements, if any, can be obtained by contacting the Registrar of Contractors

The Business Management exam is also required.

The C-39, CR-39, R-39 Residential Air Conditioning and Refrigeration (Residential/Commercial) exam is 80 questions, multiple-choice with a 3-hour and 30 minute time limit.

The exam is semi open-book with 70% required to pass

Exam fees are $66.00 for one exam or $116.00 for two exams (Business Management and one trade)

Testing is through PSI and approval is required

American Contractors does not offer a seminar to prepare for the Arizona (C-39, CR-39, R-39) Residential Air Conditioning and Refrigeration (Residential/Commercial) exam, however we do carry all the references and Bonding assistance if needed. Please contact us for more information.