Commercial airflow attenuation refers to a series of products that reduce noise created by various types of HVAC equipment. The product mix consist of ventilation/duct silencers/attenuators/traps and fixed-blade, acoustic louvers which can be applied to intake and discharge mechanical room and equipment vents, along supply and return duct paths or open return, ventilation openings between two rooms just o name a few applications.
HVAC equipment noise is one of the major sources of interior noise in a building and contributes to the overall level of occupant satisfaction. It can also be a noise concern outside of the building. In fact, most municipalities have by-laws for sound levels outside of the building. The correct selection of acoustic products positively impacts the performance of the HVAC System and surrounding noise levels.