311 South Wacker: Smartest Building in Chicago

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Posted by: Bob Best

Energy & Sustainability Services


Zeller Realty had a vision when it bought 311 South Wacker, a 1.4-million-square-foot iconic office tower in downtown Chicago, in 2014 – to make it the city’s model of energy efficiency.

With the help of ComEd, JLL and Cypress Envirosystems, they have done it.

First, the site team replaced the old thermostats with wireless pneumatic thermostats through Cypress Envirosystems.

This opened the way for JLL’s IntelliCommand™, the industry’s premier “smart building system,” to be installed for continuously monitoring building operations and making on-going adjustments to maximize energy usage.  IntelliCommand is now operating in over 120 buildings throughout the world, representing 30 million square feet, and delivering almost immediate energy savings from 5% to 20% with minimal capital investment.

ComEd was so impressed with the entire installation that last week they awarded 311 South Wacker the largest energy incentive check for a commercial building in history … $402,318.50

A pretty smart investment … for everyone.

ComEd check pres - group shot 6-25-15

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