L-39 Air Conditioning and Refrigeration
Description:
Installation, alteration and repair of refrigeration and evaporative cooling systems.
Installation, alteration and repair of heating systems of "wet", "dry" or radiant type. "Wet" systems include steam or hot water boilers and coils or baseboard convectors and are limited to 30 PSIG operating pressure of 220 degrees F for hot water and 15 PSIG operating pressure for steam. "Dry" systems include gas fired furnaces and space heaters.
Installation, alteration and repair of ventilation systems includes duct work, air filtering devices, water treatment devices, pneumatic or electrical controls and control piping. Thermal and acoustical insulation, vibration isolation materials and devices, liquid fuel piping and tanks, water and gas piping from service connection to the equipment it serves. Testing and balancing or refrigerant, cooling, heating circuits and air handling systems.
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.
Testing Requirements:
Contractor's Business Management Examination
L-39 Air Conditioning and Refrigeration Examination
Experience Requirements:
This license requires a minimum of 4 years of experience. The Arizona Registrar of Contractors may also ask that you submit a minimum of 25 projects covering the scope of the license. Specific forms are required to be submitted with the license application to verify the contractors work history. Our office has these forms at each location for your convenience and although we cannot fill them out for you, we can make suggestions and guide you through the instructions. Give us a call today at 866.254.2367.
Note: The Registrar of Contractors remains the ultimate authority in approving any and all materials submitted for application.