Sears Tower, the tallest building in the Western Hemisphere, is about to get a $350-million makeover that is designed to significantly reduce its energy use by up to 80 percent and cut its CO2 emissions. The retrofit project, over the next five years, includes major upgrades to windows, heating and cooling systems, lighting, elevators, restroom fixtures and condensation recovery systems, along with wind and solar installations and a green roof.
The energy savings will equal 68-million kilowatt hours annually or 150,000 barrels of oil every year. The majority of the energy savings will be realized in approximately five years, say planners. The sustainability project will also create more than 3,600 jobs.
http://www.environmentalleader.com/2009/06/25/sears-tower-slated-for-350m-sustainability-makeover/
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