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Texas Air Conditioning and Refrigeration License (Class A, B)

Licensing Info and Services

License Requirements

Requirements to Obtaining your License

Applicants must be at least 18 years old and show proof of 48 months of practical experience in air conditioning and refrigeration work under the supervision of a licensed air conditioning and refrigeration contractor within the last 72 months.

Class A licenses must provide liability insurance in the amount of $300,000 and $600,000 for aggregate.

Class B licenses must provide liability insurance in the amount of $100,000 and $200,000 for aggregate.

An air conditioning and refrigeration contractor license must be endorsed with one or both of the following endorsements:

  • An environmental air conditioning endorsement; or
  • A commercial refrigeration and process cooling or heating endorsement.

Work Under this License

Work that can be Done Under this License

A Class A license entitles the license holder to engage in each type of air conditioning and refrigeration contracting that is endorsed on the license in relation to a system, a product, or equipment of any size or capacity.

A Class B license entitles the license holder to engage in each type of air conditioning and refrigeration contracting that is endorsed on the license in relation to a system, a product, or equipment of not more than:

  • 25 tons cooling capacity; or
  • 1.5 million British thermal units per hour output heating capacity.

An environmental air conditioning endorsement entitles the license holder to engage in air conditioning and refrigeration contracting for environmental air conditioning within the class of license held.

A commercial refrigeration and process cooling or heating endorsement entitles the license holder to engage in air conditioning and refrigeration contracting for commercial refrigeration and process cooling or heating within the class of license held

Applications for a License

Applying to get your License

To apply for license, please contact the Texas Department of Licensing and Regulation at 1-512-463-6599.

The license fee is $115.

Reciprocity

Reciprocity Agreements

Reciprocity exists with Georgia and South Carolina.

Continuing Education

Continuing Education

Eight hours of continuing education are required every renewal. We offer this training online.

Examination

Exam Details

Pre-approval is required to sit for the examination. After you have been approved to schedule your exam, contact PSI at 1-800-733-9267.

  • Class A examinations have 120 question while Class B exams have 100 questions.
  • Class A examinations have 240 min time limit while Class B exams have 180 min time limit
  • A 70% is required to pass.

Topics on the commercial refrigeration exams include absorption systems, basic refrigeration components, boilers, business and law, combustion air, controls, design and responsibility, equipment requirements, heat loads, HVAC systems, piping, pressure relief protection, refrigeration principles, service, testing, ventilation, and venting.

Topics on the environmental air exams include basic refrigeration components, boilers, business and law, combustion air, controls, design and responsibility, equipment requirements, heat loads, HVAC systems, piping, pressure relief protection, refrigeration principles, service, testing, ventilation, venting, air properties, air distribution, and exhaust.

References

Books and References for the Exam

The following references are recommended to study for the examination. They are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

  • 2009 Uniform Mechanical Code
  • 2009 International Mechanical Code
  • 2009 International Fuel Gas Code
  • Modern Refrigeration and Air Conditioning
  • ACCA Ductulator (Environmental Air Exam Only)

The following references can be printed online free of charge.

Exam Review and Education

Exam Review, Training, Education

We offer review for the Texas Air Conditioning and Refrigeration Exam in an online training format. The fee for the course is $149. The course includes sample figures, questions, math and calculations, as well as a highlighting guide for the approved references. For more information, or to order, contact our office at 1-800-952-0910.

Online Training Price: $149

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TX Exam Review

Texas Exam Review

Online Exam Review

Study at home to pass your Texas Exam today!

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  • Price: $149

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