Different Types of Air Handler Units in Commercial HVAC Systems

As a facility management professional, it is essential to have a comprehensive understanding of the different types of air handler units (AHU) used in commercial HVAC systems. This document aims to provide a comparative analysis of three commonly used air handler units: Chilled Water Air Handler Unit, Package Air Handler Unit, and DX (Direct Expansion) Air Handler Unit. By exploring their unique characteristics, working principles, and applications, we can gain valuable insights into their suitability for various HVAC system configurations.