AABC Publishes Updated National Standards for Total System Balance

WASHINGTON, D.C. – Associated Air Balance Council recently published the AABC National Standards for Total System Balance, 7th Edition. This comprehensive manual for the test and balance industry, last updated in 2002, details the minimum standards for total system balance, assists design professionals in achieving design intent, provides a better understanding of the scope of work required of the TAB agency and ensures that proper methods and procedures are followed in the test and balance process.

For the first time, this newest edition is American National Standards Institute approved. ANSI approval signifies that the procedures used by AABC in connection with the development of the standards meet the institute’s essential requirements for openness, balance, consensus and due process.

New, additional and revised content includes:

  • All-new sections on testing energy recovery systems and chilled beams
  • Updated sections on constant volume and variable volume air systems
  • New sections on Terminal Boxes for Constant and Variable Volume
  • Revised recommendations for duct leakage testing
  • Recommendations for air handling unit pressure testing including deflection testing
  • Expanded chapters on hydronic balancing and new chapter on domestic water balancing
  • Updated testing tolerances for air, hydronic, pressure and temperature
  • Updated temperature-control testing with documentation requirements
  • New chapter on “Testing and Balancing Health Care Facilities”
  • Recommendations for room, floor and building pressure testing
  • Important updates to laboratory and kitchen systems

For more information or to order the new edition of AABC National Standards for Total System Balance, visit AABC’s website or call 202-737-0202.