Lew Harriman is the Director of Research & Consulting at Mason-Grant in Portsmouth, New Hampshire. He is a Fellow of ASHRAE, and has 35 years of experience with humidity control systems in a broad variety of commercial, industrial and institutional applications.
Lew was the lead author of both ASHRAE's Humidity Control Design Guide and the ASHRAE Guide for Buildings in Hot & Humid Climates. He is currently Vice-Chair of ASHRAE Technical Committee 1.12 (Moisture Management in Buildings). Lew's work has been selected for the ASHRAE Journal's 'Best Paper' award twice and he has taught humidity control to more than 3,000 technical professionals in North America, Asia, Europe and the Caribbean in the last 10 years.