Attic, Roof, & Whole House Fans
Engineered for professional-grade ventilation, the Canarm ALX135-DDEC Spun Aluminum Direct Drive Exhauster is designed to move stale, contaminated, or heated air out of commercial spaces. Its direct drive electronically commutated (EC) motor pairs high efficiency with true variable speed control, giving you dependable airflow without unnecessary energy use. Made for either rooftop or wall installation, this downblast exhauster features a spun aluminum housing that resists rust and corrosion while keeping weight to a minimum. Whether you manage a warehouse, office building, or light-industrial facility, it provides a reliable, low-maintenance way to maintain indoor air quality and meet ventilation codes. Key Features and Benefits of the Canarm ALX135 13.5-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 1,800 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 17 inch opening. Consistent Power: The non-overloading backward-inclined wheel prevents motor overloading even as pressure changes. Corrosion-Proof Housing: Spun-aluminum construction will not rust, chip, or peel, making it ideal for coastal installations and harsh weather environments. It fits 17-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 integration across job sites. Optional Motor Versions T