Directive 2002/91/EC of the European Parliament and of the Council of 16 December 2002 on the energy performance of buildings

The objective of this European Directive, which has to be transposed in national laws in European countries before 4 January 2006, is to promote the improvement of the energy performance of buildings, taking into account outdoor climatic conditions and local conditions, as well as indoor climate requirements and cost-effectiveness.
The directive lays down esuirements as regard :
a - the general framework for a methodology of calculation of the integrated energy performance of buildings (including aspects such as ventilation and indoor climatic conditions);
b- the application of minimum requirements on the energy performance of new buildings;
c- the application of minimum requirements on the energy performance of large existing buildings that are subject to major renovation;
d- energy certification of buildings;
e- regular inspection of boilers and of air condiitoning systems in buildings and in addition an assessment of the heating installation in which the boilers are more than 15 years old.