Annexes to COM(2001)226 - Energy performance of buildings - Main contents
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dossier | COM(2001)226 - Energy performance of buildings. |
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document | COM(2001)226 ![]() |
date | December 16, 2002 |
General framework for the calculation of energy performance of buildings (Article 3)
1. The methodology of calculation of energy performances of buildings shall include at least the following aspects:
(a) thermal characteristics of the building (shell and internal partitions, etc.). These characteristics may also include air-tightness;
(b) heating installation and hot water supply, including their insulation characteristics;
(c) air-conditioning installation;
(d) ventilation;
(e) built-in lighting installation (mainly the non-residential sector);
(f) position and orientation of buildings, including outdoor climate;
(g) passive solar systems and solar protection;
(h) natural ventilation;
(i) indoor climatic conditions, including the designed indoor climate.
2. The positive influence of the following aspects shall, where relevant in this calculation, be taken into account:
(a) active solar systems and other heating and electricity systems based on renewable energy sources;
(b) electricity produced by CHP;
(c) district or block heating and cooling systems;
(d) natural lighting.
3. For the purpose of this calculation buildings should be adequately classified into categories such as:
(a) single-family houses of different types;
(b) apartment blocks;
(c) offices;
(d) education buildings;
(e) hospitals;
(f) hotels and restaurants;
(g) sports facilities;
(h) wholesale and retail trade services buildings;
(i) other types of energy-consuming buildings.