Central HVAC System Noise Reduction

When a typical Heating, Ventilation, and Air Conditioning (HVAC) system is well designed, the noises that ultimately reach living and working quarters are made up of a) low-frequency fan noise, b) mid-frequency airflow or turbulence-generated noise caused by a variety of sources within the dueled system, and c) high-frequency damper and diffuse noises.

A Acoustics isolates all sources of ducted and radiated sound, calculates the acoustical power of the fan, and determines required duct attenuation. We then analyze the results of these evaluations, and establish performance limits based on Noise Criterion (NC) ratings. Finally, we recommend solutions for insulating the building and the equipment, as well as modifying the equipment so that the remaining noise falls within acceptable noise tolerance standards.


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