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Greenheck’s new ceiling exhaust fan Models SP-80 and SP-110 feature energy efficient EC motor technology. According to the company, they have been designed for nearly silent operation. An adjustable low-cfm setting allows precise adjustment to prevent over-ventilating and maximize efficiency, while an adjustable time delay sets how long the fan will run on high speed before returning to a continuous lower speed.
Performance ranges from 30-110 cfm and up to 0.6 in. wg. The Models SP-80 and SP-110 are recommended for applications such as rest rooms, offices, and storage/janitorial rooms. Licensed to bear the AMCA Certified Sound and Air Performance seal, Models SP-80 and SP-110 are UL Listed and also meet ASHRAE 62.2 and 62.1, LEED, ENERGY STAR® Most Efficient, CA Title 24, and Washington State Energy Code.