the energy performance which major renovation or of renovated parts these must the minimum energy performance requirements also applicable to the technical systems and components which have a significant impact
The energy performance of buildings which undergo major renovation or of the renovated parts of these buildings must meet the minimum energy performance requirements also applicable to the buildings' technical systems and components which have a significant impact on the building's energy performance.
The energy performance which major renovation or of renovated parts these must the minimum energy performance requirements also applicable to the technical systems and components which have a significant impact on the energy performance.