More than 50 models of ceiling and cabinet exhaust fans are available through the manufacturer. The features of the ceiling fan models (SP) provide between 50 and 1,600 cfm, while the cabinet fans (CSP) provide between 124 and 3,700 cfm. The light features a patent-pending light box designed to increase the reflected light. The choices of lights are prismatic lenses, frosted lenses, compact fluorescent lamps, and incandescent lamps. Options for inferred sensors mounted in the grille are available. According to the manufacturer, the ceiling fan models are as quiet as 0.7 sones, and the cabinet fans are as quiet as 0.8 sones.
Greenheck, P.O. Box 410, Schofield, WI 54476-0410; 715-359-6171; 715-355-2399 (fax); www.greenheck.com.