Gary L. Berlin is president of Humidity Consulting LLC and a member of ASHRAE 62-1, SPC-164.1, SPC-164.2, SPC-164.3, TC-5.11. He was a member of the AHRI Humidifier Section from 1972 until 2012. He has also been a long term contributor to the U/L and CSA humidifier standards program. Berlin has over 48 years of experience in the design, installation, sales, and marketing of humidification systems. He is also a well known industry lecturer on humidity and humidifier design and applications.