Broan® High-Capacity, Light Commercial ENERGY STAR® certified fans are an exceptionally quiet solution to continuous ventilation. With their heavy-duty motors, high capacity fans are an ideal solution for conference rooms, public restrooms and other areas in commercial buildings that require ongoing ventilation. Low-vibration and lo-profile, they work quietly without getting noticed. 8-way adjustable mounting brackets are included for easy ceiling-mount installation. These solutions can be used to comply with ASHRAE 90.1 (2019), IECC-C (2021), and IMC (2021) and are both HVI and AMCA air and sound tested.