Water-cooled package unit adopts all-in-one structure, makes the whole unit more compact. It can regulates the indoor ambient temperature by direct air blow or ducted air blow. Unit needs to be equipped with cooling tower, but its efficiency is quite high comparing with other traditional units. Project with water-cooled package option can cut down the investment, with energy saving function.. They can be widely used in commercial areas with specification during 16kw to 260kw.