Chicago Skyscraper Goes Beyond the Hour

March 26, 2011

Willis Tower is one of the many properties of Chicago real estate that will turn out its lights at 8:30 p.m. tonight for Earth Hour.

In following with this year’s Earth Hour theme, “Go Beyond the Hour,” the skyscraper has been doing just that by participating in a pilot program that will invest directly into Chicago’s green economy.

Willis Tower, formerly known as the Sears Tower, has had solar windows installed to promote energy efficiency, solar power generation and architectural flexibility.

Pythagoras Solar, a provider of energy-efficient windows that generate solar power, installed its products on the south-facing windows of Willis Towers 56th floor last November.

“We are excited to launch this pilot with Pythagoras Solar’s leading-edge solar window solutions as a test for not only the energy savings that can be achieved, but the potential they represent to actually generate power through the sun,” said John Huston, Executive Vice President of American Landmark Properties, one of the ownership partners of Willis Tower.

Pythagoras Solar is the first company to offer a fully integrated photovoltaic glass unit (PVGU) that provides energy efficiency and high power density while also offering architectural design benefits to increase real estate values.

“We are incredibly proud to be considered to contribute our part for the ‘greening’ of the tallest building in the Western Hemisphere, the iconic Willis Tower,” said Gonen Fink, Co-founder and CEO Pythagoras Solar.

“It is inspiring to see a team not waver in its dedication to making a true and lasting change through smart investments in the right solutions. With its combined benefits, our technology is set to provide Willis Tower with a valuable tool that will help move it toward its energy efficiency goals.”

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