Invention House Drives

Variable frequency drives are the specialty of Invention House. We design and manufacture our own line of AC single-phase and 3-phase VFDs for OEM, commercial and military applications. Our drives are specifically designed for demanding environments and difficult to achieve specifications.

Invention House has designed and manufactured variable frequency drives for:



Elevator & Lifts
Product Handling


Invertek Drives

Invention House is also a distributor for Invertek USA, a leading variable frequency drive manufacturer offering a wide range of durable VFD products. We’re not just any distributor for Invertek USA, our founder Phil Langhorst also serves as Director of Engineering for Invertek USA and our operations are co-located within the same facility providing unparalleled access to inventory and support.

Our AC Drive Lineup