ACHR News5 年
Manual D® - Residential Duct Systems [ANSI/ACCA 1 Manual D - 2016]
Manual D, from the Air Conditioning Contractors of America (ACCA), provides a single set of ANSI-recognized duct sizing principles and calculations that apply to all duct materials. The newly released ...
ACHR News5 年
Manual D® - Residential Duct Systems [ANSI/ACCA 1 Manual D - 2016]
Manual D, from the Air Conditioning Contractors of America (ACCA), provides a single set of ANSI-recognized duct sizing principles and calculations that apply to all duct materials. The newly released ...