5. Specifics of the Bbio coefficient calculation

5.1 Definition and formula

The Bbio coefficient characterizes a building's energy efficiency. It is used to assess the building's energy efficiency in relation to heating, cooling and future consumption of artificial lighting, using the formula :

B b i o = 2 \times B c h + 2 \times B f r + 5 \times B e c l

It depends on the following factors:

the architectural design of the building (layout, shape, area and orientation...

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Specifics of the Bbio coefficient calculation

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Bibliography

(1) - MILLET (J.-R.) - . – Méthode RC, (CSTB).
(2) - SLAMA (B.), SLAMA (L.) - Retour sur l'utilisation du schéma RC dans l'étude du comportement thermique d'un groupe. - Disponible auprès de BBS Slama – Clermont-Ferrand.
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