Vansal exhaust fan price list,ceiling fan pull switch 3 speed value,hanabishi wall fan price philippines 64gb - PDF Review

Ideal for exhausting stuffy fumes from work rooms, bakeries, kitchen, bathrooms, workshop & chemical plants etc. Ventilation essentially means replacing stale, hot air with fresh air and the size and number of exhaust fans required for a particular application is directly dependent upon location and the number of air changes required per hour.
There are no rigid rules and recommendations regarding the number of air changes required for adequate ventilation; every building has it own characteristics and much depends on prevailing conditions. To estimate the ventilation required for a given area calculate the total interior space in cubic meters (length x width x height) multiply the figure you get by the particular number of air changes from the table above.

Check this figure with the air delivery of the particular size of the fans & select the size and the number of fans needed.

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