Re-imagine the possibilities

We build products that make your products better.

Creative yet practical innovation 

OnFlow Systems offers consulting services and products that are tailored to the needs of the fan and air handling industries. Our engineers have 80 years combined experience developing new technology that changes the way we do business and creates better, more efficient cost-effective solutions.

Purpose driven product development

OND Dampers for Fan and Array Systems

Designed to automatically prevent air recirculation in fans. Includes blade and perimeter seals for low leakage when closed. Completely stops fan wheel rotation.

Fan Selection Software

Web based fan performance selection software


The OnFrame structural framing systems is designed to allow connections between standard structural steel tube or extruded aluminum tube without welding or the need for external hardware.


OnFlow will work with you to establish product goals and milestones from budgeting to design concepts and production. We look at a wide range of options to ensure ideal performance and value.