Greenheck’s Model AER sidewall fan is a direct-drive fan with a cast aluminum propeller. The AER model is available in four sizes: 20, 24, 30 and 36 inches. It offers an operating range from 250 to 29,000 cfm and external static pressure up to 2.45 inches water gauge. Officials said the fan features a 30 percent higher maximum airflow and an aerodynamic drive frame compared to similar models, which allows for maximize efficiency. The fan is AMCA licensed for sound and air performance and designed for use in industrial and manufacturing facilities and warehouses. Direct-drive motor options are available up to 1 horsepower for Vari-Green EC motors and up to 7.5 horsepower for AC motors for supply and exhaust applications.


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