Our Company Envirotech Systems Limited has their focus on Acoustic Chiller Louvers which take care of the noise produced without any effect on the airflow. These louvers are specifically designed in light of HVAC systems and industrial chillers as they provide efficient acoustic qualities and are very hardwearing. They are made of anti-corrosive material which allows them to work in e... https://www.envirotechltd.com/acoustic-louver-for-chiller