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Ventilation Equipment

Prop fans/Propeller fan

Prop Fans

Our multi-wing, direct drive prop fans/propeller fans are specifically designed to provide the most effective air movement in vegetable storage applications. They feature efficient air movement, sturdy construction and are constructed with a polypropylene material.

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P7 Variable Frequency Drive (VFD)


The P7 Drive is the variable frequency drive (VFD) system we recommend as the ideal choice for variable torque applications like centrifugal fans and pumps.

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Thermadoor electronically controlled insualted door for air flow


An electronically-controlled insulated door which is automatically positioned to regulate proper air flow.

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Humidicell evaporative cooler made from cellulose paper for a high cooling efficiency


Humidicell is a unique evaporative media pad made from a special cellulose paper that produces a very high cooling efficiency.

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Centrifugal Humidifier, industrial humidifier 30-series

Centrifugal Humidifier

The Centrifugal Humidifier is a commercial-grade, industrial humidifier for use in applications requiring a higher volume of dependable humidification.

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IVI Exhaust Damper for crop storage ventilation

Exhaust Damper

The IVI exhaust damper, supreme in construction and performance, is a damper that will out-live most of its applications. It can depended upon when the requirements for service and reliability are critical.

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Daylight Block reduces potato greening during storage

Daylight Block

IVI Daylight Block reduces potato greening during storage by decreasing visible light transmission into the storage building that comes through exhaust and return-air openings.

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