Flow Tech, Inc. has exclusively sold and serviced ABB Variable Frequency Drives (VFDs), used for air-handling and hvac applications, for more than 30 years. Flow Tech is the premier source for new VFD applications, retrofits, and servicing of all brands of existing VFDs. Flow Tech’s professionals are nationally recognized for their applications expertise and service capabilities. If you need VFDs quick – new, replacement or repair – Flow Tech stocks drives, up to 200 HP, with and without bypass and offers 24/7 on-call service. Flow Tech is an authorized ABB service center.