Strong performance. Low noise. The virtually silent yet powerful Delta Breez SIG80 exhaust fan turns your bathroom into a private oasis while saving you money on electric bills with extremely low power consumption. Air flow of 80 CFM with loudness rating of less than 0.3 sones. Features a DC brushless motor for extended reliability. Power consumption of 8.2 Watts with an efficiency rating of 9.8 CFM per Watt. ENERGY STAR qualified and HVI certified.