General Air Control, Inc. has been providing quality HVAC Testing, Adjusting and Balancing (TAB) services since 1981. GAC is a member of the Associated Air Balance Council, a non-profit organization formed in 1965 for qualified, independent test and balance agencies. The high standards that the AABC has set for their members are considered to be the benchmark in the industry and GAC continually strives to uphold those respected standards. All projects completed by GAC are backed by the AABC National Performance Guaranty.