Roof Attic Exhaust Fan, 35W Smart Solar Roof Ventilation Fan Auto Temperature Control, 2400 CFM Airflow Built-in Brushless DC Motor for Cooling and Dehumidification, No Remote

Wide Application: The solar attic fan is compatible with both metal and masonry roofs. Whether youftre an experienced DIY enthusiast or a certified professional, installation is easy MPPT Solar Power: Is your attic getting too hot? The 35W MPPT controller maximizes sunlight to extract hot air from the attic, with a cooling capacity of up to 3000 CFM. Our solar attic fan can significantly reduce your cooling costs and is suitable for metal and masonry roofs Energy Saving: Equipped with a temperature controller, the rooftop exhaust fan automatically starts when the attic temperature exceeds 26¡ãC (79¡ãF), maintaining a comfortable condition. It also turns on automatically during the day, without using any household electricity