CEN/TC 089 / WG 4 / N 224

Energy performance of buildings - Ways of expressing energy performance of buildings CEN/TC 089 / WG 4 / N 224

Scope

In order to facilitate the application of the Building Energy Performance Directive, and to harmonise the ways used in Europe to express energy performance, this standard will propose a limited number of ways of expressing energy performance of buildings and buildings components. The following uses of energy will be taken into account:
- Space heating
- Space cooling
- Mechanical ventilation
- Hot water
- Lighting
- Energy production, in particular by renewable sources and co-generation