John Siegenthaler was presented the Carlson-Holohan Award at the Caleffi booth during the AHR Show, January 21. The award, relinquished from past winner John Barba, is awarded to those who exemplify the highest standards and practices in the hydronics industry. Past winners Barba, Dan Holohan, Dave Yates, Robert Bean and Mark Eatherton were present when Read more