WELCOME TO THE ILLINOIS CHAPTER OF ASHRAE

Established in 1906, the Illinois Chapter is ASHRAE’s oldest, and with more than 1,200 members it is also among the largest chapters. Monthly meetings with technical presentations, tours, advocacy and social events throughout the year offer members opportunities for professional growth, networking and career advancement. ASHRAE, founded in 1894, is a global society advancing human well-being through sustainable technology for the built environment. The Society and its members focus on building systems, energy efficiency, indoor air quality, refrigeration, and sustainability within the industry. Through research, standards writing, publishing, and continuing education, ASHRAE shapes tomorrow’s built environment today. There are currently 57,000 ASHRAE members in 132 countries.

UPCOMING Events


Jun 9

Controls Lessons Learned (Panel)

Controls Lessons Learned Meeting!

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Jun 16

CTTC Planning Meeting '26-27 Year

We want to hear from you about meeting topics, events, and locations!

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Sep 3

Golf Outing 2026-2027

The Annual ASHRAE Golf Outing is Back! September 3, 2026

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2025-2026 Illinois ASHRAE in Action

This web site is maintained by the Illinois ASHRAE Chapter. It does not represent official positions of the Society nor reflect Society policy. ASHRAE chapters may not act for the Society and the information presented here has not had Society review. To learn more about ASHRAE activities on an international level, contact the ASHRAE home page at http://www.ashrae.org.

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