The Refrigeration School (RSI) is an accredited trade school with its campus location in Phoenix, AZ. They offer courses including mechanical maintenance engineering, HVACR training, welding specialist and more. “The Refrigeration School was established to train entry-level Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC/R) technicians. The Refrigeration School added the Electrical Technologies and Electro-Mechanical Technologies … Continue reading The Refrigeration School Programs