As a leading water-cooled screw chiller manufacturer with almost 20 years of experience since 2003, TopChiller provides a complete range of water-cooled screw chiller from TPWS-WSH series. The cooling capacity of screw water chiller is from 30Ton to 480Ton/105KW to 1688KW and the chiller temperature control range from +30 to -30. Besides the standard water-cooled screw chiller control temperature from 7 to 30, TopChiller also has a water-cooled glycol screw chiller control temperature below zero from 0 to -30 for some special industrial applications. With 20 years experience in design and manufacturing water-cooled screw chiller from TopChiller has the following features: Using famous brand Semi-hermetic Screw Compressor- Bitzer from Germany and Handbell from Taiwan. Each screw compressor comes with 4 steps of energy control 0-25%-50%-75%-100% to make sure the whole screw chiller operates when stable with high refrigeration performance. Each water-cooled screw chiller with high-efficiency shell and tube type heat exchanger and aluminum foil with a copper tube air cooled condenser.