City Center exterior building

City Center

Mixed-use tower at the heart of Minneapolis.

Facts & Stats



City of Minneapolis


Market Type


Two diamonds

Square Footage

1,600,000 SF



Minneapolis, Minnesota


Completion Date



Global Impact Stat

98% Energy Star Score

333 South Sixth, also known as City Center, is a 50-story, 1.2 million square foot office building located in Minneapolis, Minnesota. We have been involved in Energy Star tracking and certification for many years. We have also provided mechanical and electrical engineering services to maintain the sustainability requirements. Our team helped 333 South Sixth achieve LEED Gold certification by showcasing an automatic lighting control system, occupancy sensors in the emergency exit stairwell, VFDs to control all HVAC equipment, and additional dampers on main air handlers to improve HVAC control and supply. The operations team also replaced two outdated chillers, two outdated cooling towers, and inefficient light bulbs with LED lighting. Knowledgeable staff who prioritize sustainability have been critical in advancing these efforts. Additional improvements will occur as part of Shorenstein’s public commitment to reducing energy use by 20% by 2020.

333 South Sixth Street earned an award for the highest ENERGY STAR score in Minneapolis among commercial business buildings over 100,000 square feet, with a score of 98 out of 100 possible points. 333 South Sixth Street’s score of 98 indicates that the building performs better than 98% of all similar facilities nationwide!

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