The growing movement towards more efficient HVACR equipment, coupled with regulatory changes, have been driving forces in new technologies in the HVACR industry. These new technologies have changed the type of equipment we install, tools we use to perform the job, and refrigerants used in these systems. The HVACR industry has transitioned in recent years from CFC’s, to HCFC’s to HFC’s to HFO’s. Adding to these changes is the new safety challenge of teaching… Read More