ACCA
Air Conditioning Contractors of America
Air Conditioning Contractors of America (ACCA) is a nationwide non-profit association serving professionals who install, maintain, and service HVACR, indoor environment, and building performance systems. The association provides its members with education, networking, technical resources, and advocacy that support business development and the health of the broader HVACR industry. ACCA authors a portfolio of ANSI-accredited standards that precisely define contractor procedures for residential and light commercial load calculation (Manual J), duct design (Manual D), and equipment selection (Manual S), among others. These standards have been adopted by utilities, government agencies, manufacturers, and building codes nationwide, making ACCA a central authority for HVAC design and quality assurance practices.
Key features
- National non-profit trade association for HVACR contractors
- Author of ANSI-approved standards (Manual J, Manual D, Manual S)
- Education, certification, and professional networking programs
- Industry advocacy and government affairs
- Quality assurance standards adopted by utilities, codes, and agencies