Des Moines, IOWA - Preston Folkestad of GC Cooling is entering the Specialty Equipment Market Association (SEMA) Show "Battle of the Builders Competition" as a Young Gun.  To qualify as a Young Gun, the builder must be 27 years old or younger by the final night of the SEMA Show on November 3, 2017. Preston Folkestad , 22, is a graduate of Iowa State University with a … [Read more...]