2017BS EN 16798-5-1:2017 Energy performance of buildings. Ventilation for buildings. Calculation methods for energy requirements of ventilation and air conditioning systems (Modules M5-6, M5-8, M6-5, M6-8, M7-5, M7-8). Method 1: Distribution and generation
2008BS EN 15241:2007 Ventilation for buildings - Calculation methods for energy losses due to ventilation and infiltration in commercial buildings