The meaning of air handling unit from ANSI/AHRI Standard 430-2009 states that it is "A processing plant made encased get together comprising of a fan or fans and other important gear to perform at least one of the elements of coursing, cleaning, warming, cooling, humidifying, dehumidifying and blending of air. For more information please visit: https://www.lg.com/in/business/air-handling-unit