Dan Holohan will present his “Classic Hydronics” seminar May 20, 2015, during the National Association of Oil & Energy Service Professionals conference in Hershey, Pa.
PM columnist Ray Wohlfarth, author of “Lessons Learned in a Boiler Room,” has a new book on the design and installation of replacement hydronic boilers — “Lessons Learned: Connecting New Boilers to Old Pipes.”