Licensing Exams by Trade Name - Home Link

Texas

Commercial Refrigeration - Class A

Apply for the License
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:  (833) 333-4741
Exam Type
OPEN  BOOK
Exam Content

Please consult the PSI exam bulletin from the button below for more detailed information about subject sub-topics.

Content Areas
(from PSI bulletin)
Sub-topics# of
Questions
Air Distribution66
Basic Refrigeration Components510
Combustion Air5
Controls312
Equipment Requirements412
HVACR Systems & Design320
Piping611
Refrigeration Principles310
Safety7
Service511
Testing46
Texas Laws & Rules6
Ventilation22
Venting22
Total number of test questions:
120
Time allowed (minutes):
230
Books Allowed in the Exam
1.
Uniform Mechanical Code, 2018, IAPMO
Buy at Builders Book
2.
International Mechanical Code, 2018, ICC
Buy at Builders Book
3.
International Fuel Gas Code, 2018, ICC
Buy at Builders Book
4.
Modern Refrigeration and Air Conditioning, 21st Edition, Althous, Turnquist, Bowditch, Bracciano
Buy at Builders Book
5.
ADI Duct Size Calculator, Air Distribution Institute
Buy from Publisher
6.
Code of Federal Regulations, Title 29, Part 1904, Recording & Reporting Occupational Injuries and Illnesses, GPO
Web Page Link
7.
Texas Occupation Code Chapter 1302 - Air Conditioning & Refrigeration Contractors License Law
Web Page Link
8.
Texas Administrative Code Chapter 75 - Air Conditioning & Refrigeration Contractors License Rules
Web Page Link

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