The Danfoss 130B1097 Cooling Fan is specifically engineered to provide efficient cooling for Variable Frequency Drives (VFDs). VFDs are integral to HVAC systems, as they control the speed of electric motors, optimizing energy consumption and maintaining desired operating conditions. To ensure these drives operate effectively and have a prolonged service life, adequate cooling is essen... https://www.partshnc.com/vfd-cooling-fan