#ventilators #naturalventilators #ventilatorperformance #winddrivenvents #ventilatorflowrates #sustainability #energysavings #greenenergy #hurricane #windventilators #pressuredrop #ISO5801 #AS4740

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The True Capability and Performance of Natural Ventilators

There are now a large variety of wind powered ventilator designs in the marketplace and just as wide a range of performance claims. A lot of the claims exceed that available from similar size mechanically driven axial fans tested to ISO 5801. Clearly impossible.Most performance claims also make no reference to established standards or tests. Edmonds undertook extensive test work using established standards to unequivocally determine the true capability of natural ventilators.

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