Energy Commissioning and Optimization (ECO 24/7) Facility: AT&T – One AT&T Way, Bedminster, NJ Building Information • Former corporate headquarters till 2010 • Four building campus, 866,000 square feet • Office and data center System Information • 20 Single Duct VAV AHUs, 3 single-zone CAV AHU, 1 dual-duct CAV AHU • Total 1,444 terminal units • 14 Liebert units for data centers • Two central cooling plants ttl 3,430-ton capacity • One central heating plant ttl 14,000 MBtu/hr heating capacity. • Nexsys Johnson Control BAS Project Date • Implementation completed September 2010-2011 Total Performance Oriented Retrofits (TPOR SM ) ? Ten Energy Conservation Measures (ECMs) approved by New Jersey Clean Energy Program ? Installed VFDs on chilled water, condensing

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