The Broan-NuTone® BES8 Roomside Series ENERGY STAR® humidity sensing bathroom exhaust fan offers versatile easy installation without attic access and no drywall cutting necessary. This bathroom exhaust fan is the perfect retrofit solution saving time and reducing complexity. Built-in humidity sensing automatically turns the fan on and off when humidity in the room reaches the user-adjustable set-point, removing moisture to reduce the risk of mold and bacteria. The design features patent pending technology with SlideClip™ grille/cover, making cleaning easy with a springless attachment. The CleanCover™ grille also offers a seamless design that blends into the ceiling for a modern appearance. This series is ENERGY STAR® certified reducing energy consumption by over 50% compared to standard bath fans. Engineered for ENERGY STAR 4.1 this exhaust fan meets building code requirements and reduces call- backs. All the desired features of a premium bathroom exhaust fan at an affordable price for cost-conscious builders, contractors and DIYers. This HVI certified product has efficient performance to remove moisture, odors and pollutants to provide Better Quality of Air for Better Quality of Life.