Putting the Windy City’s Breezes to Work
The Sears Tower in Chicago is about to undergo a $350 million-dollar retrofit that will add wind turbines to its 110th floor roof and upgrades to windows, lighting and cooling systems. It’s estimated that the retrofit will reduce the building’s electricity demand by 80%. And for a 4.5 million square foot building, that’s a big deal– estimated to be equal to 150,000 barrels of oil a year. Read more details on the renovation on the Sears Tower site.
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