Variable Frequency Drives (VFD) are used in conjunction with BAS to improve the control of your equipment operations within your facility. They allow your BAS to vary the speeds of your motors, fans and pumps that heat and cool your building according to immediate requirements – faster when demand is high and slower when demand is low.

Controlling equipment operations to match the needed comfort demands will increase the operating efficiency of your equipment, lower operating and utility costs, eliminate un-necessary wear and tear on your equipment, reduce breakdowns and prolong the life of your equipment.

T.M. Bier & Associates represents these brands of VFD’s:

Square D

Yaskawa