Air Conditioning Contractors of America (ACCA)
Non-profit OrganizationsVirginia, United States201-500 Employees
ACCA is a national non-profit association representing heating, ventilation, air conditioning, and refrigeration contractors. It develops installation and maintenance standards that are nationally recognized and used by professionals to ensure quality work. The organization is based in Alexandria, Virginia, and serves HVACR contractors across the United States. ACCA provides educational offerings, including online training, in-person classes, and an annual conference, and operates accreditation programs to help contractors differentiate themselves in a competitive market, while also advocating for contractor interests before policymakers, regulators, manufacturers, distributors, and the media. In 2026 it launched Maximus, a contractor financing tool built exclusively for ACCA members, reflecting recent efforts to support contractor growth and capabilities.