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According to Malaysia's Department of Occupational Safety and Health (DOSH) the ventilation is considered adequate when the number of air changes every hour is not less than 10 under normal conditions (defined as "processes which generate little or no heat, smoke or fume") and no less than twenty ("should there be processes which generate heat, smoke or fume").
For residential buildings, which mostly rely on infiltration for meeting their ventilation needs, a common ventilation rate measure is the air change rate (or air changes per hour): the hourly ventilation rate divided by the volume of the space (I or ACH; units of 1/h). During the winter, ACH may range from 0.50 to 0.41 in a tightly air-sealed ...
Ventilation on the downdraught system, by impulsion, or the 'plenum' principle, applied to schoolrooms (1899) Natural ventilation is the ventilation of a building with outside air without using fans or other mechanical systems. It can be via operable windows, louvers, or trickle vents when spaces are small and the architecture permits.
The Air Information Review was a quarterly newsletter containing topical and informative articles on air infiltration and ventilation research and application. It was published from 1979 to 2010. Since 2011, the AIVC publishes twice a year a four-page newsletter with the aim to provide information on the progress of the various projects as well ...
KDK International Philippines Corp. (KIPCO) was founded in November 1979 as a joint venture company between Avenue Electrical Supply and Matsushita Seiko Co. Ltd, for the purpose of importing, distributing and selling all KDK products in the Philippine market such as electric fans, ventilating fans and other air moving equipment.
Trane is a manufacturer of heating, ventilation, and air conditioning (HVAC) systems, along with building management systems and controls. The company is a subsidiary of Trane Technologies, a company focused on manufacturing HVAC and refrigeration systems.
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Ventilation (architecture), the process of "changing" or replacing air in any space to provide high indoor air quality; Ventilation (firefighting), the expulsion of heat and smoke from a fire building; Ventilation (mining), flow of air to the underground workings of a mine of sufficient volume to dilute and remove noxious gases