HAShen environmental laws follow one another since 1975 and integrate the climate into their concerns from 1995, it is necessary to wait for the 1er January 2022 for the construction sector to move from thermal regulation to multi-criteria environmental regulation: the RE2020.
In order to achieve carbon neutrality by 2050, RE2020 is accelerating the decarbonization of the construction industry, reducing greenhouse gases and improving comfort. Several objectives must then be met: reducing the carbon impact of buildings by taking into account their emissions throughout their life cycle, continuing to improve their energy performance and ensuring that new buildings are adapted to future climatic conditions.
To do this, the architect must make a transition to a low-carbon architecture which aims to reduce the footprint of the building throughout its life: from its design to its use, including its construction, the use and the transport of materials, logistics on the construction site, but also the reduction of consumption necessary for its use (energy, water, replacement of components). This architecture goes through the implementation and systematization of methods of reasoned construction, carbon storage, circular economy, up to its controlled operation, even its transformation.
If the technical challenge is immense, it also remains to invent low-carbon architecture and living, as was invented that of stone and concrete. The architect will then rely on the architectural quality and the national and environmental strategy, which are values that make his practice a daily art.
Solidity, habitability, beauty
Without dogmatism and without giving in to ever-changing fashions, and this since Vitruvius – the first Roman architect whose writings have come down to us – he will lean on the three essential principles that have persisted through the centuries:
– The solidity, that is to say the correct choice of the construction method and above all the quality of implementation of the construction.
– Habitability and quality of use, which aims to seek the greatest comfort in the use of the building: operation, orientation, distribution of spaces, volumes, voids, solids, light, acoustics, ergonomics, thermal, etc.
– Beauty, which lies in the harmony of proportions, materials, in the relationship of the building to its environment. The beauty of the work is the part that is shared with others, even if they have no use for it. It is therefore a symbolic collective value.
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