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Willis Tower

Willis Tower Platinum Image credit: Adobe Stock

Willis Tower | The third-tallest building in the United States

Chicago, Illinois

Willis Tower earned LEED Gold in 2018, and in less than a year, made significant energy, sustainability and comfort improvements to achieve LEED Platinum certification.

The iconic building pursued both an initial LEED 2009 certification while simultaneously completing the recertification tasks for LEED v4.1.

By using the Arc performance platform, the Willis Tower is able to use data to monitor performance and make future improvements.