Annexes to COM(2001)226 - Energy performance of buildings

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dossier COM(2001)226 - Energy performance of buildings.
document COM(2001)226 EN
date December 16, 2002
ANNEX


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.