Past Participants


Over the course of ten years of Retrofit Chicago, 100 buildings participated in the Challenge and saved over 400,000 metric tons of CO2e in greenhouse gas emissions.  The following buildings achieved or exceeded their 20% reduction goals over the course of the program.


See case studies of highlighted participants.


35% Energy Reduction

The following buildings went above and beyond their 20% energy reduction commitment and lowered their energy usage by 35% or greater.


100 East Huron

100 North Riverside Plaza (The Boeing Building)

Fifth Third Center

20% Energy Reduction

The following buildings achieved the commitment of the Retrofit Chicago Energy challenge to reduce energy usage by 20% in five years. Participants were awarded between 2012-2019.


1 North LaSalle

125 South Wacker Drive

200 West Monroe Street

212 West Superior Street

224 South Michigan Avenue

300 South Riverside

311 South Wacker Drive

322 South Green Street

333 North Michigan Avenue

372 West Ontario Street

440 North Wells Street

445 North Wells Street

540 West Madison Street

550 West Washington Street

625 North Michigan Avenue

70 West Madison Street

American Red Cross of Greater Chicago Headquarters

Chicago Bar Association

DePaul University – Richardson Library

Institute of Cultural Affairs GreenRise

University of Chicago – Mansueto Library

Northwestern University – Robert H. Lurie Medical Research Center

One Financial Place

Illinois Institute of Technology – Perlstein Hall

PNC Center at One North Franklin

Sheraton Chicago Hotel

The AT&T Building

The Harris Bank Building

The Inland Steel Building

The Rookery Building

The School of the Art Institute of Chicago

Trinity United Church of Christ

University of Chicago – Regenstein Library

University of Illinois Chicago – Science and Engineering Laboratories

University of Illinois Chicago – Science and Engineering South


Building engineers and property managers ensure our buildings stay efficient and operational. Each year, Retrofit Chicago recognized engineers and property managers who went above and beyond to continue their commitment to the Challenge.


Building Engineers

2014: Shawn Freeman, The Rookery 

2014: Calvin Oaks and Ryan Egan, Chicago Sheraton Hotel & Towers 

2015: Lawrence Lang, 224 South Michigan 

2016: Anthony A. Marzano, 77 West Wacker Drive 

2016: Kevin Kennelly, 200 West Madison 

2017: Nick Kaiser, Shedd Aquarium 

2017: Matt Guidice, 200 West Monroe Street 

2018: Larry Dunn, 1 North LaSalle Street 

2018: Jim Drach, 125 South Wacker Drive 

2019: Steven Colangelo, 70 West Madison Street 

Property Managers

2015: Myrna E. Coronado-Brookover, 77 West Wacker Drive 

2016: Steve Kamykowski, Kimpton Hotels 

2017: Mark Szewczyk, Michigan Plaza 

2018: Lee Hebert, 200 West Monroe 

2019: Kana Henning, Loyola University of Chicago 

Case Studies

Ten buildings that participated in Retrofit Chicago shared their stories. See their strategies, achievements, and lessons learned in the case studies below.


UIC engineering campus
The University of Illinois - Chicago Science and Engineering
UIC engineering campus
The Wrigley Building
Northwestern Lurie Research Center
Northwestern Lurie Research Center
Institute of Cultural Affairs
Institute of Cultural Affairs - GreenRise
Richardson Library Depaul
The Richardson Library at DePaul University
Sheraton riverfront
The Sheraton Grand Chicago Riverfront
The School of the Art Institute of Chicago
445 N Wells St
445 North Wells Street
Mansueto Library UChicago
The Mansueto Library at The University of Chicago
The Rookery
The Rookery