ACCA released Manual D:Residential Duct Systems

The Air Conditioning Contractors of America (ACCA) Educational Institute has released a revised version of "Manual D" for public review in accordance with the procedures of the American National Standards Institute (ANSI). The public comment period will last until December 8, 2008.

Manual D, "Residential Duct Systems," is a comprehensive guide outlining the methods and procedures used to design residential duct systems. It is one of a series of recognized ACCA manuals that are used in the design and installation of residential and commercial HVAC systems.

People interested in commenting on this proposed update can visit www.acca.org/ansi to download the review version and the response form that explains how to submit comments.