ACCA announces ANSI public review period for reaffirmation of acca 4 QM – maintenance of residential HVAC systems
2024-07-03
Alexandria, VA (July 1, 2024) - The Air Conditioning Contractors of America Educational Institute (ACCA-EI) Standards Task Team (STT) announces an American National Standards Institute (ANSI) public review period for reaffirmation of ACCA 4 QM – 2019, Maintenance of Residential HVAC Systems.