Air Vent 800-CFM Weatherwood Galvanized Steel Solar Power Roof Vent. Roof-mount power fans are a type of motor-driven attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Together they help remove any built-up heat and moisture inside the attic for year-round ventilation.
Use the Lowe's calculator to determine how many roof-mount power fans are needed per roof. Solar powered; solar panel mounts separately on the roof. 800 CFM (cubic feet of airflow per minute). No need to hire an electrician. Ventilates up to 1,200 square feet of attic space under direct sunlight. Suitable for 3/12 to 8/12 roof pitch. Part of a balanced attic ventilation system for year-round airflow. Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates.Requires intake ventilation for proper performance.