Director of Research
Lew Harriman is Director of Building Science at Mason-Grant Consulting. He is a Fellow and Life Member of ASHRAE (American Society of Heating, Refrigerating and Air Conditioning Engineers). He served as the principal author for ASHRAE’s Humidity Control Design Guide, as an ASHRAE Distinguished Lecturer and as committee chair for the Society’s position document entitled: Limiting Indoor Mold and Dampness in Buildings. Lew also served as a member of the consulting team that helped the US EPA revise its landmark publication: Guidance for Air Cleaners in the Home. He was inducted into the Indoor Air Quality Association’s Hall of Fame in January 2018.