“John is a wonderful combination of deep technical understanding, clear thinking and good listening skills, all wrapped up in a package of real-world practicality.  Besides that, he’s fun to work with.  Give him a call, and you’ll see what I mean." Lew Harriman, Director of Research - Mason-Grant. Primary author, ASHRAE's Humidity Control Design Guide


"John knows what he's talking about because he learned it all from me." Joseph Lstiburek, PhD, Principal – Building Science Corporation. Dubbed the “Dean of North American Building Science” by The Wall Street Journal