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Former System

Prior to the new Central Energy Facility developed through SESI, an intertwined system of steam and chilled water met the simultaneous demand for heating and cooling of campus buildings. Steam from the Cardinal Cogen plant entered the building, and through heat exchangers, produced both warm air for space conditioning and hot water for restrooms, kitchens, and laboratories. Afterwards, the steam changed into condensate, and returned to Cardinal Cogen to be reheated back into steam and then sent out to buildings again. Simultaneous to the steam system, chilled water entered the building, and through a different heat exchanger, provided cold air to cool the building. After collecting waste heat, the chilled water then was piped back to the facility for re-cooling.