KZE (KZS/KZW) air cooled expansion air handling unit is a kind of unit combined with heat and cold source of its own. It contains air cooled condensing part and air handling unit part. It finishes cooling, heating, dehumidifying, silencing, eliminating sound, cleaning and supplying the air by using refrigeration system, control system, control system, and all kind air handling section. No need of cooling tower, cooling (chilling) water pipe, cycle water pump or machine room any more.