ARLINGTON HEIGHTS, Ill. - The Air Movement and Control Association International Inc. (AMCA) introduced a new Certified Ratings Program for acoustical duct silencers. The licenses are available under the new program, which officially began Nov. 15, 2003.
Products that can be licensed by AMCA to bear AMCA International's Certified Ratings Seal for the program are prefabricated acoustical duct silencers. This type of silencer is constructed in advance or manufactured in standard assemblies or sections ready for field installation.