ACCA Announces Updates to Manual S

Arlington, Va. — The Air Conditioning Contractors of America (ACCA) intends to update ANSI/ACCA 3 Manual S ® – Residential Equipment Selection. The ACCA board has approved this critical update to investigate expanded tolerances for cold climate heat pumps, solidify guidance for dehumidifier sizing, and clarify requirements for code compliance. ACCA will form a committee Read more