JCPenney saved over 47 million kWh and $5 million with variable frequency drive retrofits of rooftop units across 131 stores. The case study describes the decision process and results of this successful program.
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In this video, Paul Torcellini, principal group manager for Commercial Buildings Research at the National Renewable Energy Laboratory, discusses the importance of design and planning in creating more energy-efficient buildings.
This case study details strategies and activities for energy savings across a hospital. The case study was extracted from the "Business Case for Energy Efficient Building Retrofit and Renovation" report. Gundersen Lutheran established its environmental program, called Envision. The Envision program aims to improve air quality and the health of its community as well as reduce the cost of healthcare to its patients by hedging against rising energy costs. Its goal is to offset 100% of the fossil fuel energy it consumes by 2014 through energy conservation and by creating clean, renewable energy.