It operates the freezer at night time, freezes the ice, stores it in the heat storage tank, and dissolves it during the daytime to provide cooling to the building. Because it uses low-cost night-time power, operation cost is reduced, and it can easily cope with power load problem in summer.

Centrifugal Chiller achieved world’s top COP through High Efficiency Two-stage Compressor. With optimized Two-stage compressing cycle, energy efficiency has been improved and operation costs has been reduced as opposed to the previous One-stage Centrifugal Chiller.