Ray Wohlfarth is president of Fire and Ice Heating and Cooling in Pittsburgh, PA. They specialize in commercial boiler service and sales. Ray is an international author of the following industry books:“Lessons Learned in a Boiler Room”, “Lessons Learned: Connecting New Boilers to Old Pipes", and “Lessons Learned Servicing Boilers”. He is also a regular columnist for the following industry trade magazines, Plumbing and Mechanical, PM Engineer, and Engineered Systems. Ray authored and taught an on line class on Greening your Boiler for the Green Building Research Institute. He is past president of the Pittsburgh Chapter of ASHRAE and is currently on the board of governors for the WV ASHRAE and board of directors for WVAPPA. He is a member of and technical consultant for the Radiant Professional Alliance. He has spoken to various industry groups such as RSES, SRAPPA, ASHRAE.