Home » Former Sears Tower May Sport World’s Tallest Green Roof

Former Sears Tower May Sport World’s Tallest Green Roof

Posted by Environmental Leader on 03/11/2009

As the tallest building in the Western Hemisphere readies itself for a major energy efficiency overhaul, engineers have developed what may be the world’s tallest green roof.The Willis Tower, formerly known as the Sears Tower, is spending about $200 million to $300 million to upgrade its energy efficiency and become more “green” overall, reports the [...]

Construction & Refitting Contracts & Installations Electricity Emissions Energy Efficiency Facilities Heating & Cooling Lighting Refitting Chicago retrofit Sears Tower Willis Tower windows