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ASHRAE Membership

ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Over 56,000 individuals from more than 100 nations belong to the Society.

Discounts on Publications

ASHRAE members earn 15% off publications. Hundreds of titles are available including the complete collection of ASHRAE Standards including 90.1, 62.1 and 189.1.

Develop Leadership Skills

When you join ASHRAE, you are making an investment in yourself. When you become active in the Society by giving your time and sharing your knowledge, you get even more out of that investment.

Network with Industry Professionals

Each month, all over the world, ASHRAE chapters convene for an informational program featuring a speaker or topic that is key to professionals in the industry. Meet with your peers and share ideas.
Need technical info? Search ASHRAE's Bookstore >
Education & Certification

ASHRAE Instructors

William P. Bahnfleth, Ph.D., P.E.

William P. Bahnfleth is a professor and director of the Indoor Environment Center in the Department of Architectural Engineering at The Pennsylvania State University-University Park. He holds a doctorate in Mechanical Engineering from the University of Illinois at Urbana-Champaign and is a Registered Professional Engineer. He has more than 30 years of experience as a consulting engineer, researcher and educator. Dr. Bahnfleth has been a member of ASHRAE since 1981 and is an ASHRAE Fellow and Distinguished Lecturer.


Courses Taught