UNE-CEN/TR 16798-6
Energy performance of buildings - Ventilation for buildings - Part 6: Interpretation of the requirements in EN 16798-5 -1 and EN 16798-5-2 - Calculation methods for energy requirements of ventilation and air conditioning systems (Modules M5-6, M5-8, M 6-5, M6-8, M7-5, M7-8) (Endorsed by Asociación Española de Normalización in August of 2017.)