GREE held a two day mini-split training at the Heyden Stanley Group in Houston TX on November 27 and 28.  The classes were taught by Gerry Wagner, author of the monthly column “The Duct Free Zone”.  Topics of the training included GREE Mini Split Design and Installation as well as GREE Troubleshooting.  Each curriculum was approved for 4 hours of NATE credit, and both were approved for 4 hours of Texas CEU.  ff