John Siegenthaler will be presenting "State of the Art Hydronic Design for the Solar Thermal Professional," an all-day seminar on Friday, Feb. 19, 2010, at the Colorado Solar Energy Industries Association's (CoSeIA) Annual Conference & Expo.

John Siegenthaler will be presenting "State of the Art Hydronic Design for the Solar Thermal Professional," an all-day seminar on Friday, Feb. 19, 2010, at the Colorado Solar Energy Industries Association's (CoSeIA) Annual Conference & Expo. It will be held in Lakewood, CO.

To register and for more information, click here.