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Frequently Asked Questions View all FAQs
How do you order the correct replacement parts?

Before ordering replacement parts, make sure you have the fan model and serial number.

Where can I find instructions to wire a motor on my fan?

The nameplate of the motor includes a wiring diagram. Wiring diagrams can also be found beneath the motor image in our Buy Parts section. Simply click the wiring diagram icon to view it.

Can I install a thermostat?

Yes, but only if the thermostat has a simple on/off operation. Please note: if the thermostat varies the amount of voltage delivered, it will damage the motor and void the warranty.

Can I install my whole house fan vertically?

Comfort Cooler (CC) series whole-house fans may be mounted vertically, however, the AS and CSS shutters will not function properly in the vertical position. We do not carry a ceiling shutter for vertical installation. Vertical installation instructions.

Quality Products

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Portable Fans

SINCE 1948.


The HeatBuster is one of the most rugged and dependably built, full service…

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A Better Made Fan for a Better Bottom Line

Our barrel fans are designed to be as durable and long-lasting as possible. Our portable air movers spot cool people, products and equipment on assembly lines, workstations, loading docks, warehouses, gyms, machine shops, auto repair bays, or anywhere a high volume of air movement is required. Employee productivity and absenteeism are negatively impacted when temperatures rise above 80 degrees. Less productive workers can lower output by as much as 3% for every degree over the average temperature.