Air Handling Unit（AHU ）is one kind of ventilation equipment with the function of air filtration, cooling,  heating, dehumidification.

It is widely used in such industrial fields as electronics, bio-pharmaceutical, food & cosmetics, mechanical, etc. In order to obtain clean room environment with constant temperature & relative humidity. Also it is used in common factory, office buildings, public buildings like hotel, restaurant, cinema, shopping mall, stadium etc.