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Green Building Technology Case Studies in Energy and Environmental Leadership

USDOC/ITA/Commercial Service. Green Building Technology Case Studies in Energy and Environmental Leadership. Clay Nesler VP, Global Energy & Sustainability Johnson Controls, Inc. Milwaukee, WI USA clay.g.nesler@jci.com 10 December 2009. Building efficiency is top carbon strategy.

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Green Building Technology Case Studies in Energy and Environmental Leadership

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  1. USDOC/ITA/Commercial Service Green Building TechnologyCase Studies in Energy and Environmental Leadership Clay Nesler VP, Global Energy & Sustainability Johnson Controls, Inc. Milwaukee, WI USA clay.g.nesler@jci.com 10 December 2009

  2. Building efficiency is top carbon strategy Source: Johnson Controls Energy Efficiency Indicator Study 2009 (n=1422)

  3. IDeAS Net Zero Energy Building Case Study • Integrated Design Associates offices in San Jose, Califiornia • Commercial Building Retrofit Project • Geothermal heat pump with floor-based radiant heating and cooling • Dedicated outdoor air ventilation unit • Solar PV-integrated membrane roofing • High efficiency windows and lighting with active day-lighting control • 40% better than 2005 California Title 24 energy requirements

  4. Empire State Building Case Study • Super-Insulating Windows • Radiator Insulation • Tenant Day-Lighting Control • Variable-Speed Chiller Retrofit • High Efficiency Air Handling Units • Demand Controlled Ventilation • Wireless Building Control System • Tenant Energy Management System

  5. Expected Results $4.4 million annual energy cost savings Top 10% of commercial buildings in efficiency 38% energy reduced annually 3.1 years payback incremental cost 105,000 metric tons carbon emissions saved over the next 15 years

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