The definition of air handling unit from ANSI/AHRI Typical 430-2009 states that it is “A factory-built encased assembly consisting of a supporter or fans as well as other necessary machines to complete one or more of the capabilities of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” Mechanical https://airhandlingunitsahus93603.spintheblog.com/32192707/the-basic-principles-of-air-handling-unit-ahu-hire