WindtowerRoofVentilator The Condor Windtower is a silent, pressure responsive multi venturi, roof ventilator that requires no moving parts. Design features of the Condor Windtower Roof Ventilator The Condor Windtower is a venting portal able to perform in all weather conditions, including cyclonic, with zero maintenance cost. The Windtower is a silent, pressure responsive multi venturi, … Continue reading Commercial Windtower Roof Ventilator