The definition of air handling unit from ANSI/AHRI Conventional 430-2009 states that it is “A manufacturing unit-built encased assembly consisting of a lover or lovers and also other necessary products to carry out a number of with the features of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” https://ahu-s75207.spintheblog.com/32183381/5-easy-facts-about-air-handling-units-ahus-described