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Effinergie

In France, BBC-effinergie® is a name used to identify new buildings with very low energy needs, which help reach the 2050 objectives: to reduce greenhouse gas emissions by 4.

The Ministerial Decree of 3rd May 2007 defines the regulatory requirements for the BBC label which was upheld by The Grenelle as a 2012 objective for new buildings. The latter uses the values defined by the Effinergie® Association: i.e. 50 kWhep/m²/year consumption target for new residential constructions.

With improvements in the energy performance of buildings, losses due to air renewal represent an increasingly important factor in the heating assessment. Moreover, collective housing a house or building that is not airtight (parasite infiltrations) caused a deterioration in air quality and the comfort of its occupants, and increases the risk of condensation. A proper level of airtightness of the building shell makes it possible to correctly provide the air flow from main rooms to service rooms as designed by the ventilation system, and thus obtain effective air management systems.

The French regulation RT2005 thermal regulations set the targets for the permeability to air of the building shell, and promote a quality approach for airtightness.

Position of the BBC-effinergie label on the building energy classification scale. Credits: DR. Position of the BBC-effinergie label on the building energy classification scale. Credits: DR.

Effinergie - 1 Photo
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