General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2017); German and English version EN ISO/IEC 17025:2017— 65 стр.
Ventilation for buildings - Components/products for residential ventilation - Required and optional performance characteristics; German version EN 13142:2013— 47 стр.
Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Part 6: Final energy demand of ventilation systems and air heating systems for residential buildings— 133 стр.