The definition of air handling unit from ANSI/AHRI Common 430-2009 states that it is “A manufacturing unit-designed encased assembly consisting of a fan or admirers along with other essential products to execute a number of of the capabilities of circulating, cleansing, heating, cooling, humidifying, dehumidifying and mixing of air….” AHUs https://ahu-s38158.suomiblog.com/air-handling-unit-ahu-hire-options-47643434