EN 378-4 : 2016+A1:2019 : Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery.
Norm EN-378-4-EN
Norm EN-378-4-EN
EN ISO 9972 : Thermal performance of buildings - Determination of air permeability of buildings - Fan pressurization method (ISO 9972:2015).
More informationNBN EN ISO 9972 : Performance thermique des bâtiments - Détermination de la perméabilité à l'air des bâtiments - Méthode de pressurisation par ventilateur (ISO 9972:2015).
More informationEN ISO 52016-1 : Energy performance of buildings - Energy needs for heating and cooling, internal temperatures and sensible and latent heat loads - Part 1: Calculation procedures (ISO 52016-1:2017).
More information