Author Archives

  • Transformer Noise

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    A power company contacted Unger Acoustical Consulting regarding noise complaints from a residential area close to the company’s transformer station. The customer attempted to erect a plywood barrier to help “stop” the noise. This was met with very little success. Unger Acoustical Consulting was then hired to conduct a Sound Survey for Transformers and Reactors. […]

  • Industrial Fan Noise

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    A manufacturing plant contacted Unger Acoustical Consulting, Inc. to review noise exposure from several of its variable frequency belt-driven centrifugal fans.  We conducted sound level readings around the Chicago Blowers and noted low and mid-frequency levels between 90-91 dB(A), 5 feet from the fans.  Our client expressed a need to access the machines for routine […]