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.

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.

Triangle Engineering’s airflow products are engineering to perform and built to last. 90% of our stock of products can be built in 7 business days or less.

Installation Recommendation: We suggest lubricating the outside of the rubber boot with dish soap before pressing into the tube for new bearings installation. After the shaft is in position, you should apply a small amount of locktite to the set screws.

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.