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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

Mark Nunnelly

Mark Nunnelly is a mechanical engineering graduate of Auburn University, is a registered professional engineer and is a LEED Accredited Professional. He has been involved in the construction, engineering and HVAC industry for over 30 years. Over the last thirteen years, his involvement with projects has primarily pertained to Commissioning, Retro-commissioning, humidity control, and energy management for commercial, institutional and industrial buildings. Mark is certified as a Commissioning Authority (CxA) through the AABC Commissioning Group. He has presented numerous training seminars on Commissioning, Dehumidification Technologies (desiccant and mechanical-based) and their applications, as well as Psychrometrics and designing for proper humidity control. He has been a member of the American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE) for over 27 years. Mark is a past President for the Birmingham, AL chapter, has recently served as Chairman for the Society’s Membership Promotion Committee and on the Environmental Health Committee. Mark is recognized as one of ASHRAE’s Distinguished Lecturers and has conducted training seminars internationally and domestically.