AABC establishes industry standards for the field measurement and documentation
of HVAC systems and provides education, technical training, and certification for
The association’s mission is to identify highly qualified, independent test and
balance agencies who are capable of performing work to AABC Standards.
Independence is the cornerstone of AABC. Members are strictly prohibited from having
any affiliations with mechanical contractors, design engineers, or equipment manufacturers.
This policy prevents any potential conflicts of interest and ensures that all members
provide engineers and building owners with professional, unbiased test and balance
Quality Assurance Program
The Quality Assurance Program is an important tool for AABC to monitor the performance
of its members, and to quickly resolve disputes or, most often, miscommunications.
National Performance Guaranty
All projects completed by AABC members are covered by the National Performance Guaranty,
providing assurance that your project will be completed in accordance with the AABC National Standards
and the project specifications.
for more information.
Organization and History
As the complexity of HVAC systems began to increase in the 1960s, a small group
of engineers founded the Associated Air Balance Council (AABC) as a non-profit association
Early on, they recognized the need for independence and stringent membership requirements
to ensure objectivity, integrity, and technical expertise, and they made these the
guiding principles of the association. AABC also developed the first comprehensive
industry standards for test and balance.