Air Handling unit (AHU) serves a big part in the ventilation system. AHU's are widely used in commercial buildings, hospitals, malls, industries etc., This video explains all the fundamentals you want to know about the AHU and the principle behind the temperature control and cooling using the Air Handling Units. Also I have given a brief introduction about the various components inside the AHU.
If you want to learn about the Building Management System or the Building automation system please follow the below link:
https://youtu.be/ReEp0HH91ZU Building Management System Basics and History with Features