WhisperCeiling (pictured), WhisperLite and WhisperWall ventilation fans are Energy Star-approved and Home Ventilating Institute-certified. Noise levels range from 0.3 to 2.5 sones. The enclosed condenser motors feature permanently lubricated metal bearings and are tested for 30,000-plus hours of operation, the company says.
Contact: 866/292-7292, www.panasonic.com
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