Willis Tower
Today’s Willis Tower (until 2009 Sears Tower) is a famous skyscraper that can be found in Chicago. It is 442 meters high and offers a total of 108 floors (including the roof, it is actually 109). The skyscraper was completed in 1974 and its timeu was the tallest building in the world. It surpassed the world’s highest trade center in New York. The world’s tallest building, this skyscraper lasted for 23 long years, until the construction of the Petronas Twin Towers (451.9 meters).
The original name Sears Tower came from the fact that it was built for the largest retail company at the time, Sears, which was based here for years.
At the moment, this skyscraper is the tallest in Chicago, the third highest in the United States, the third highest in all of North America, and also the 23rd highest in the entire world.
technical parameters Willis Tower
| location | 233 S. Wacker Drive Chicago, Illinois 60606 United States |
| architectural style | international |
| tallest in the world | 1973 to 1998 |
| construction started | 1970 |
| completed | 1974 |
| height |
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| floor area | 4,477,800 sq ft (416,000 m2) |
| floor count | 108 (plus 3 basement floors) |
| structural material | steel |
| lifts / elevators | 104, with 16 double-decker elevators |
| energy Label | LEED Recertification Platinum (2019), LEED Gold O+M: Existing Buildings (2016) |
Willis Tower
