The use of Variable Frequency Drives (VFDs) on evaporator fans in refrigerated warehouse applications has the potential to produce significant energy savings when compared to other means used to regulate temperature. Estimated energy savings after 10 years is 18.3 aMW1. However, very few refrigerated warehouse facilities currently use the VFD technology. The Evaporator Fan VFD Initiative (Initiative) began in early 1998 with the goal of making VFDs an industry standard on evaporator fans in refrigerated warehouses in the Pacific Northwest.
