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Roberts exhaust fans take advantage of the pressure difference between the hot air inside the building (which tends to rise) and the cooler air outside.
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When wind passes over the exhaust fan, the speed of the outside air increases in that region and the pressure decreases.
👉 This low pressure at the top creates a suction effect that facilitates the exit of hot internal air, enhancing natural ventilation.
Robert's manufactures and installs the natural ventilation systems it designs. It guarantees delivery times, installation, and performance results.
Robert's natural ventilation systems offer a high exhaust capacity with proper technical sizing.
Weight may vary depending on customer material specifications.
Robert's has special models with throat openings up to 5,000mm; please consult our Technical Department.
