The definition of air handling unit from ANSI/AHRI Conventional 430-2009 states that it's “A manufacturing facility-created encased assembly consisting of a supporter or supporters along with other important devices to accomplish one or more of the features of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” As Now https://aircooledchillers98653.oblogation.com/33608699/detailed-notes-on-air-handling-units-ahus