Licensing Exams by Trade Name - Home Link

Texas

Commercial Refrigeration - Class A

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State of Texas
Department of Licensing and Regulation (TDLR)

920 Colorado St
Austin, TX  78701
Phone: (512) 463-6599
Exam Provider
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 340-3701
Exam Type
OPEN  BOOK
Exam Content

The content shown below only lists main category headings.  Please consult the PSI exam bulletin for more detailed information about subject sub-categories.

Subject Areas# of
Questions
Air Distribution6
Basic Refrigeration Components10
Combustion Air5
Controls12
Equipment Requirements12
HVACR Systems and Design20
Piping11
Refrigeration Principles10
Safety7
Service11
Testing6
Laws and Rules6
Ventilation2
Venting2
Total number of test questions:
120
Time allowed (minutes):
230
Books Allowed in the Exam
1.
Uniform Mechanical Code, 2015, IAPMO
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2.
International Mechanical Code, 2015, ICC
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3.
International Fuel Gas Code, 2015, ICC
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4.
Modern Refrigeration and Air Conditioning, 20th Edition, Althous, Turnquist, Bowditch, Bracciano
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5.
ADI Duct Size Calculator, Air Distribution Institute
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6.
Code of Federal Regulations, Title 29, Part 1904, Recording and Reporting Occupational Injuries and Illnesses, GPO
Web Page Link
7.
Texas Occupation Code Chapter 1302 - Air Conditioning and Refrigeration Contractors License Law
Web Page Link
8.
Texas Administrative Code Chapter 75 - Air Conditioning and Refrigeration Contractors License Rules
Web Page Link

Reference #1, 2, and 3 will change to the 2018 versions on Jan. 1, 2021.  Reference #4 will change the the 21st Edition on the same date.

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