The Air Handling Unit (AHU) is an important part of a HVAC System that helps to control, clean, and move air around all type of commercial and industrial buildings. It takes fresh air into the building through a ductwork system, filters out the dirt and dust by using air filters/skimmers and then warms/cools the air so that it can be distributed throughout the building by means of duc... https://www.airmakecooling.com/air-handling-unit.html