The definition of air handling unit from ANSI/AHRI Regular 430-2009 states that it is “A manufacturing unit-built encased assembly consisting of the admirer or followers as well as other necessary devices to complete one or more of your features of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” https://mariolqswy.blogproducer.com/39294563/top-guidelines-of-ahu-s