Water-cooled chillers are cooling systems that use water to remove heat from a building or process. They work by circulating chilled water through a system of pipes, absorbing heat from the air or equipment, and then returning the warmed water to the chiller to be cooled again. This process is efficient for large facilities, as it can handle significant cooling loads. These chillers typically consist of a compressor, condenser, evaporator, and expansion valve. The condenser is cooled by water from a cooling tower, which helps maintain optimal operating temperatures. Water-cooled chillers are commonly used in commercial buildings, industrial applications, and large-scale HVAC systems.