John Siegenthaler, P.E.

John Siegenthaler is principal of Appropriate Designs, a consulting engineering firm in Holland Patent, N.Y. He is a mechanical engineering graduate of Rensellaer Polytechnic Institute and a licensed professional engineer. He has over 25 of experience in designing modern hydronic heating systems. John is also an Associate Professor of engineering technology at Mohawk Valley Community College in Utica, NY. He is the author of the text Modern Hydronic Heating, and numerous other publications dealing with hydronic heating. John is also a contributing editor for PM, and its monthly "The Glitch & The Fix" column, which offers hydronic troubleshooting solutions in conjuction with the magazine's twice-monthly Radiant & Hydronics e-Newsletter.