Merck & Co. Wilson Campus Wilson, NC Building Information • Multi building campus • Total 453,000 square feet • Labs and production rooms(multi-class clean room space) System Information • Total 26 AHU serving production lines, lab space and office area • Central plant with significant steam services Project Date • Finished energy audit in 2006 • Project implementation from April 2007 to July 2008 Retrofit Optimization TPOR SM • Optimized steam flow based on actual building load conditions • Installed fan airflow stations on supply fans • Installed pump flow stations • Optimized fume hood exhaust flow Results • Improved thermal comfort and system reliability • 6,533,061 kWh annual electricity savings • Reduced entire facility energy consumption by 21% • R

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