The volume of air requirement

In General, volumes of air to the internal areas of the building premises range from 1 to 3 cfm/m2 floor area. Outdoor areas will require increasing volumes of air from 2.5 to 4 cfm/m2 floor area. In some cases, only for heating or cooling load of exterior wall panels or glass surface attributable to the distribution center. Then, the volume of air per linear meter diffuser grille or will vary from 20 to 200 minutes, depending on the heat-transfer coefficient, the height of the wall, and infiltration rate...