How Chiller, AHU, RTU work - working principle Air handling unit, rooftop unit hvac system

The video tutorial explains the role of chillers in air conditioning systems, focusing on two main types: water cooled and air cooled chillers. Water cooled chillers, typically found in large commercial buildings, use a cooling tower to reject heat. Air cooled chillers, often located on rooftops, use ambient air for heat rejection. The video also covers Air Handling Units (AHUs) and Rooftop Units (RTUs), which distribute conditioned air within buildings. AHUs are usually connected to a central chiller, while RTUs are self-contained units with their own refrigeration systems.

Explain the function of Air Handling Units (AHUs) in a building.

Discuss the importance of ductwork in the operation of AHUs and RTUs.

What components are typically found in rooftop units (RTUs)?