An air handling unit, also called a Chilled Water Air Handling Unit (CHU), is a crucial piece of equipment for businesses around the world. In its simplest form, a CHU takes in outside air, cools it using chilled water from a cooling coil, and then circulates it throughout the building, providing a comfortable and healthy environment for staff and clients alike. But what else should you know about this vital piece of equipment? Read on to discover how a CHU can help make your business more efficient and cost-effective.