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 together with other needed tools to conduct one or more from the capabilities of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” RTU’s https://boiler-hire27158.isblog.net/air-handling-unit-ahu-hire-options-49559935