a wind ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.Wind ventilator suppliers in ambaji have been used in conjunction with courtyard and atria for centuries in many middle-eastern architectures. They work on the principle of both wind driven ventilator and stack effect ventilation. ... Continue