Attic, Roof, & Whole House Fans
Engineered for reliable commercial ventilation, the Canarm ALX165 16.5-inch Spun Aluminum Direct Drive Exhauster helps you move stale, contaminated, or excess warm air out of your facility. This downblast fan pairs durable spun-aluminum construction with electronically commutated motor technology, giving maintenance teams a straightforward solution for rooftop or wall-mounted exhaust applications. Whether you manage a warehouse, production floor, office space, or mixed-use building, you can count on true variable speed operation and simplified balancing to support precise airflow control. Key Features and Benefits of the Canarm ALX165 16.5-Inch Spun Aluminum EC Downblast Exhauster Energy-Saving EC Motor: Electronically commutated technology delivers up to 82 percent motor efficiency, trimming electrical usage by as much as 70 percent compared with traditional permanent split-capacitor motors. Adjustable Airflow: A built-in potentiometer and 0-10V terminals let you dial fan speed from 425 to 1,600 RPM. It can be controlled remotely up to 50’ using a remote mount potentiometer or 0-10V. Flexible Installation: This model can be installed as either a rooftop or wall-mounted exhaust fan in a 20.75 inch opening. Consistent Power: The non-overloading backward-inclined wheel maintains consistent airflow output draw across the static pressure range, protecting the motor. Corrosion-Proof Housing: Spun-aluminum construction will not rust, chip, or peel, making it ideal for coastal installations and harsh weather environments. Fits 20.75-inch roof openings. Tool-Free Access: Quick-release latches allow for easy motor access, reducing downtime during inspection or cleaning. Includes a protective screen that keeps birds and debris out of the discharge path. Dual-Voltage Versatility: Runs on single-phase 120 or 240-volt power at 50 or 60 hertz, simplifying installation and specification. Optional Motor Versions The Canarm ALX165 is available in four motor variations, giving you gr