Grumman/Butkus Associates was retained to provide retro-commissioning services for Chicago Midway Airport. Areas included the terminal building and concourses (approximately 938,000 square feet). The project was part of the University of Illinois Smart Energy Design Assistance Center (SEDAC) program, which requires a minimum implementation of $10,000 of energy efficiency measures within one year of RCx.
During the planning phase, G/BA performed detailed investigation and functional performance testing of 59 air-handling units. Identified savings measures included the following:
Identified savings include the following:
The identified energy savings represent a total facility cost savings opportunity of 8%, for an estimated simple payback of 1.59 years.