Surgery room specific energy use is among the highest in the built environment due to stringent indoor environmental quality and infection control requirements. This study uses a calibrated energy model to evaluate the environmental and economic performance of a variety of ventilation control strategies that reduce surgery room energy use while maintaining indoor environmental quality and infection control performance. The individual control strategies evaluated in this study are (1) temperature and relative humidity reset, (2) air recirculation, (3) airflow reset, and (4) particle concentration based airflow control. Combinations of these strategies are also evaluated. The best performing combinations of control strategies can reduce surgery room primary energy use, CO2 emissions, and energy costs by up to 86% relative to the standard practice. Temperature and relative humidity reset is the strategy that offers the largest benefits. Particle concentration based airflow control shows modest results partly due to the conservative infection control performance target. Future research should define infection control performance thresholds during operation.
CitationCubi, E.; Salom, J.; Garrido, N. Energy-efficient ventilation control strategies for surgery rooms. "Science and Technology for the Built Environment", 13 Febrer 2015, vol. 21, núm. 2, p. 228-237.
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