Combining heat pump chillers, evaporative cooling, VRF, and chilled beams in a 175,000 sf science laboratory and classroom building yielded a measured Energy Use Index of 38, one of the most efficient laboratory buildings anywhere. This project was very challenging with many stakeholders and a large variety of specialized equipment that required a variety of mechanical systems. Energy efficiency was a large driver of system choices to keep energy usage as low as possible, where Science buildings are large energy users. Mechanical systems such as the heat pump chiller system, variable refrigerant flow fan coils and the energy recovery systems were a large part of the success in lowering the energy use. Close coordination with all design trades was required to fit all the systems into the available utility spaces.
Weber State University
Direct Evaporative Cooling
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