... .Suit for villa,office building,restaurant,etc HWAC Series Air cooled water chiller(with heat recovery) Features: 1. Suitable Buildings: High-grade ... , restaurants, shops, etc. 2. Reliable and Energy Saving: two air conditioning systems, they can work separately or together according to ... ; 4. Easy Installation: the outside unit is cooled by air; and can be installed on the balcony, rooftop or the ...