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Natural Ventilation – The effects of Crosswind and Buoyancy Replacement of indoor air with fresh outdoor air The advantages of buoyant ventilation are becoming more apparent in commercial and industrial buildings every day. To enhance airflow, this sort of natural ventilation, also known as stack-effect ventilation, relies on temperature differential between the inside and exterior …

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Ventilation, if most simply defined, is the replacement of bad air with good. It’s typical for homes to develop bad air due to all sorts of things—dust, pollen and other pollutants blown in from outside; formaldehyde, volatile organic compounds (VOCs) and other unhealthy substances too often produced by today’s household cleaners and furnishings; and carbon …

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