This European Standard specifies the requirements covering the construction and operation of air inlets and outlets components including technical safety, ergonomic and hygienic features. This European Standard is applicable to ventilation systems in commercial kitchens, associated areas and other installations processing foodstuffs intended for commercial use. Kitchens and associated areas are special rooms in which meals are prepared, where tableware and equipment is washed, cleaned, food is stored. This European Standard is applicable to ventilation systems except those used in domestic kitchens. A method of verification of each requirement is also specified. Unless otherwise specified, the requirements of this standard need to be checked by way of inspection and/or measurement. NOTE – Please note the possible existence of additional or alternative national regulations on installation, appliance requirements and inspection, maintenance and operation.