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BMS Controls Glossary

Commercial Air Handling Unit

A commercial air air handling unit (AHU) is a critical component of a commercial HVAC system. It is responsible for taking in outside air, filtering it, heating or cooling it, and then distributing it throughout the building. The AHU is typically composed of several components, including a fan, a filter, a heat exchanger, and a coil. The fan pulls in outside air and pushes it through the filter, which removes dust, pollen, and other airborne particles. The heat exchanger then heats or cools the air, depending on the season, and the coil helps to regulate the temperature. The AHU then distributes the air throughout the building via a series of ducts. The AHU is a vital part of any commercial HVAC system, as it helps to ensure that the air in the building is clean, comfortable, and safe.