Variable Speed Drives

Our Variable Speed Drives are specifically engineered for use with HVAC fan and pump applications. We’ve designed every adjustable speed drive power unit to utilize the most sophisticated semiconductor technology available, and with highly modular construction, our VSD Drives are easily adapted to fit your needs. Our Variable Frequency Drives are the  only VFD drives in the industry to provide closed loop control capabilities with Metasys and Facility Explorer digital field controllers.