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TABB runs the testing, adjusting and balancing (TAB) certification program, which ensures that HVAC systems operate at the highest standards with the greatest efficiency at every stage of an indoor environmental retrofit (or to new building specification).
TABB Certification standards and procedures for certification are set by a policy-making body, with different professional groups acting as training and testing entities. This structure contributed to the eligibility for ANSI accreditation.
TABB affiliate offices are found in Connecticut, Chicago, New York, Indiana, Orange County (CA), San Francisco, St. Louis, and Los Angeles. This geographic spread and separation of certification/testing/renewal entities is designed to also help TABB avoid the kind of regionalized industry politics that could possibly keep qualified contractors from becoming certified.