A ventilator and ventilator system is disclosed. The ventilator comprises a motor driven rotor, and a stator for mounting to the structure. The rotor is rotatably mounted to the stator. The ventilator also comprises an annular support framework that extends 5 up and away from an upper periphery of the stator. The annular support framework comprises a plurality of air passageways arranged so as to enable the air to flow through the ventilator. The ventilator also comprises a cover that is supported on the annular support framework. The cover can provide the ventilator with the ability to allow sunlight into an enclosed space within the structure.
