Category Archives: Environmental Acoustical Consulting

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. […]

Unger Acoustical Consulting has been involved with several outdoor HVAC chiller noise applications. Air cooled chillers with rotary screw compressors present the largest challenge for adequate noise control because of the multiple sound sources and the tonal quality of the noise. Below are some actual case histories of Unger’s involvement with outdoor environmental noise control […]