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BMS Controls Glossary

Ahu Unit

An AHU unit, or air handling unit, is a device used in HVAC systems to condition and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. It is typically a large metal box containing a blower, heating or cooling elements, filter racks or chambers, sound attenuators, and dampers. The air handling unit is the central component of any HVAC system, and is responsible for the circulation and filtration of air in a building. It is designed to take in outside air, filter it, and then either heat or cool it before circulating it throughout the building. The AHU is also responsible for removing any excess moisture from the air, as well as controlling the amount of air that is circulated throughout the building. The AHU is a critical component of any HVAC system, and can be the difference between a comfortable and uncomfortable living or working environment.