It may be difficult to appropriately calculate the effectiveness of duct silencers. It is important to select an appropriate silencer and to place them properly within the ductwork layout. Designers should work with an acoustics consultant, or closely wit

It may be difficult to appropriately calculate the effectiveness of duct silencers. It is important to select an appropriate silencer and to place them properly within the ductwork layout. Designers should work with an acoustics consultant, or closely with the manufacturer, if the mechanical engineer is not familiar with these installation and calculation issues.