From September 2020, Airborne noise generated from HVAC equipment is a concern in commercial and industrial buildings. Duct system components allow the sound to transfer from AHU/RTU’s along both supply and return air paths to critical occupied spaces. The most common, cost effective method to control this noise to acceptable levels is to design proper duct silencers within the air paths. In this 30min webinar, Kristen Neath discussed duct silencers, their use, proper application and performance characteristics in this 30 minute overview.