EN 17940:2025 is a European standard that outlines the requirements and guidelines for the design, installation, and maintenance of energy performance assessment methods for buildings. This standard is particularly relevant in the context of the European Union’s commitment to improving energy efficiency and reducing greenhouse gas emissions in the building sector. The scope of EN 17940:2025 encompasses various aspects of energy performance assessment, including the methodologies used to evaluate the energy consumption of buildings, the criteria for determining energy efficiency, and the procedures for conducting energy audits. It is applicable to a wide range of building types, including residential, commercial,...