Fans - Efficiency classification for fans - Part 2: Standard losses for drive components (ISO/DIS 12759-2:2017); German and English version prEN ISO 12759-2:2017
Energy performance of buildings - Ventilation for buildings - Part 5-2: Calculation methods for energy requirements of ventilation systems (Modules M5-6, M5-8, M6-5, M7-5, M7-8) - Method 2: Distribution and generation; German version EN 16798-5-2:2017— 56 стр.
Energy performance of buildings - Ventilation for buildings - Part 3: For non-residential buildings - Performance requirements for ventilation and room-conditioning systems (Modules M5-1, M5-4); German version EN 16798-3:2017— 62 стр.
