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Membership & Certification


Find Certified CxAs

Find an independent certified commissioning authority near you


Apply for CxA Certification

Join the largest pool of certified commissioning providers in the world


Maintain Your CxA Certification

Submit your continuing education units


CxEnergy Conference

#1 event in building commissioning and energy management

# of certified individuals
# of member companies
# international companies

Core Values


All members must be independent of general and installing contractors, manufacturers of equipment or system components, or other entities that could affect the ability of the member to render an independent commissioning report.



To sit for the certification exam, applicants must have a thorough knowledge and understanding of the commissioning process, and demonstrate their ability to provide professional commissioning services in accordance with the ACG Commissioning Guideline.

Training and Education

ACG is committed to providing training and education for its members and the industry. In addition to developing technical guidelines and certification programs, the association sponsors workshops and conferences focused on commissioning. Click here to see upcoming CxA educational opportunities.

CxEnergy Conference & Expo offers pre-conference CxA and EMP certification training & seminars, AABC TAB & Cx Seminar, AIA-approved technical presentations with nationally recognized speakers, and the Expo Hall featuring the latest technology in thebuilding performance industry. Save the date for CxEnergy 2024 on April 29-May 2, 2024 in San Diego, California.

CxA Workshop On-Demand & Live Q&A Session is a 3-hr pre-recorded video stream that will cover all aspects of commissioning ranging from project management to functional testing, following a one-hour online question and answer session with CxA Workshop Instructor, Al Lapera, CxA, EMP, LEED AP on June 22, 2023.

The Leaders In Building Performance

A nationwide network of independent TAB agencies providing integrity and expertise in vital measurement & verification.

A non-profit association dedicated to the advancement of independent third-party commissioning professionals.

Energy Management Association, which is dedicated to advancing the quality of energy management services for the benefit of the building owner. EMA provides comprehensive training and education for energy management professionals, building owners, and other industry professionals.