MACS training event: Iowa tech learns new HVAC perspectives

Shad Sisson, a technician at Magnum Automotive in Grinnell, Iowa, found a session about new perspectives of HVAC diagnosis given by Richard Sheffield, an automotive educator, to be very beneficial. Interviewed by Elliot Maras, editor of Professional Tool & Equipment News, Sisson found the session helpful in understanding how to use a scope to diagnose air conditioning problems.