The Broan® QTXE Series 80 CFM Ceiling Exhaust Bath Fan, ENERGY STAR® Certified is designed to help reduce moisture to help prevent mildew from forming in your bathroom. The fan runs at only 0.3 sones for a very quiet operation and it is ENERGY STAR® certified for energy efficiency. The fan can be hung over a tub or shower with a GFCI circuit. Hanger bars are included for easy and fast installation.