The mission of the Healthcare Engineers Society of Northern Illinois (HESNI) is to advance the role of the healthcare facilities services professional. This is done through the development and promotion of educational, networking and professional collaboration opportunities for our members. HESNI is the premiere resource for hospitals and their professional affiliates to develop solutions to local, regional & national advocacy issues and to provide professional development, mentoring & networking to our membership.
Founded originally in 1968 and re-established in 2004, HESNI is a local affiliate chapter of the American Society of Healthcare Engineers (ASHE).

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SPACER
OR Big Data - Ventilation Data Request
ComEd has funded NeuMod Labs LLC and Moka LLC to collect and analyze operating room (OR) test and balance (TAB) data for 30 hospitals in their service territory and correlate it to the public Illinois surgical site infection (SSI) database. Building upon an existing database of 83 hospitals consisting of over 1,000 operating rooms the goal is to develop a statistically significant dataset to determine optimal air flow rates to reduce infection risk, inform codes and standards, and reduce operating costs. More details can be found in the project description.
Please reach out to Dr. Fred Betz ([email protected]) if you’d like to contribute your hospital’s TAB data. All data is confidential and NDAs are implemented for each participating health system.
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HESNI Golf Outing 2025
August 25, 2025
CHEF/HESNI Seminar at Rate Field
October 21, 2025
Become A 2027 Sponsor
Our 2026 Sponsor slots have been filled! Thank you so much to our 2026 Sponsors! Visit the Sponsors page to learn more about the companies that help support many HESNI activities. Also find out how you can Get Involved next year by becoming a HESNI Sponsor in 2027!
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