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Wall Exhaust & Supply Fans

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Hazardous Location Models

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Greenhouses

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Rental

Oil & Gas

Crypto Mining

Refrigeration

Spot Cooling

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Golf Courses

Hazardous Location Environments

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Portable Floor Fans

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Additional Resources

Downloads, FAQs, and more.

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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QUALITYPARTS.
SINCE 1948.

TYPES OF APPLICATION

Triangle Engineering offers a diverse selection of fans tailored to meet the specific requirements of different industries, from powerful cooling solutions to specialized systems. Our fans are built with quality and longevity in mind, ensuring consistent performance for years to come. Every fan from Triangle Engineering is made in the USA using a combination of domestic and foreign parts and is factory-tested to ensure high standards of quality and dependable performance. This commitment to excellence guarantees that our products are reliable and built to withstand all conditions season after season.