Air Conditioning and Refrigeration

Renew Your ACR Contractor or Technician License Online

The Air Conditioning and Refrigeration program regulates contractors who install, repair, or maintain systems related to air conditioning, refrigeration, or heating. The Texas Department of Licensing and Regulation (TDLR) would like to remind the owners of homes and businesses that contracting with an unlicensed individual for air conditioning and heating repairs can be hazardous.

For information regarding air conditioning and refrigeration contractors, e-mail us at air.conditioning@tdlr.texas.gov

Air Conditioning and Refrigeration Contractors

Military Service Members, Veterans, and Spouses - For more information about using military experience, service, training or education or about applying as a military spouse please go to the Military FAQs page.

Call for Subject Matter Experts – Texas Air Conditioning and Refrigeration Contractors Program
Application to Assist in Maintaining the State of Texas Air Conditioning and Refrigeration Exams

TDLR and PSI, the vendor under contract to develop and administer examinations, are seeking Subject Matter Experts (SMEs) to review and evaluate air conditioning and refrigeration exam content, questions, and reference lists. The participation of knowledgeable SMEs ensures competency levels for air conditioning and refrigeration contractors and helps protect the public from dangerous construction practices. Applicants should have broad-based knowledge of the technical aspects of the profession and familiarity with current techniques, standards, and materials. Successful applicants must be willing to sign a confidentiality agreement regarding exam content. SMEs receive no compensation, but mileage, food and lodging expenses are reimbursed. If interested, please complete this Application for the Texas Air Conditioning and Refrigeration Exam Development Committee, and know your offer to serve is greatly appreciated by TDLR and the citizens of the State of Texas.


Your Voice Matters: Feedback for TDLR's Air Conditioning and Refrigeration Contractors Program

TDLR adopted amended rules regarding the Air Conditioning and Refrigeration program (16 Texas Administrative Code (TAC), Chapter 75, §75.110). The effective date of the rule adoption is August 15, 2014. Review the justification for adoption.


The Air Conditioning and Refrigeration Contractors Advisory Board met June 11 in Austin. The agenda is available online. The meeting was archived and is available for viewing via RealPlayer.

The Air Conditioning and Refrigeration Contractors Advisory Board held an Open Forum on Energy Efficiency June 11 in Austin. The agenda is available online. The meeting was archived and is available for viewing via RealPlayer.


TDLR amended the Air Conditioning and Refrigeration (ACR) administrative rules on November 21, 2013, to implement changes in the ACR law created by Senate Bill 383, authored by Sen. John Carona and enacted into law in 2013 by the 83rd Texas Legislature.

The amended ACR rules took effect on January 1, 2014, and include a repeal of air conditioning refrigerant sales regulation by the Texas Department of Licensing and Regulation (TDLR), including the state certificate of registration to purchase refrigerants.  Senate Bill 383 and its related TDLR rules changes will remove overlapping federal and state regulatory requirements regarding refrigerant sales since the U.S. Environmental Protection Agency does and will continue to regulate these sales based on federal law.  Senate Bill 383 was a statutory change recommended by TDLR in its 2013-2017 Strategic Plan, entitled “Smaller, Smarter Government” to reflect the agency’s vision to reduce regulatory burdens on licensees and consumers.

Changes were also made to the continuing education rule requirements for air conditioning and refrigeration contractors, lowering the number of hours of instruction in state laws and rules required annually from two to one, effective with licenses that expire on or after June 1, 2014. The total number of continuing education hours required annually will remain at eight hours.

For more information about the TDLR Air Conditioning and Refrigeration program contact TDLR at air.conditioning@tdlr.texas.gov or 800-803-9202.  Also, you can sign up to receive TDLR Email Updates to be notified about any further changes or updates to the ACR Program.

NEW - Order a duplicate license online

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House Bill 1503 Revises Air Conditioning and Electrical Advisory Boards


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