The definition of air handling unit from ANSI/AHRI Normal 430-2009 states that it's “A manufacturing facility-created encased assembly consisting of a supporter or supporters together with other essential gear to carry out a number of in the functions of circulating, cleaning, heating, cooling, humidifying, dehumidifying and mixing of air….” Distinctions https://airhandlingunitsahus93703.dbblog.net/5298600/5-simple-techniques-for-air-handling-units-ahus