RE2020 Thermal Study
Montpellier, Occitania

RE2020 thermal engineering consultancy in Montpellier: Bbio / Cep / Ic calculation, dynamic thermal simulation (STD), summer comfort and ACV carbon assessment.

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Updated 16 July 2026

Montpellier · Occitania

RE2020 Thermal Study in Montpellier.

In Montpellier, in the Mediterranean climate zone H3, summer comfort is the sticking point of the RE2020: on the heavily exposed façades of the new districts (Port Marianne, Cambacérès), the degree-hours threshold is quickly exceeded. Dynamic thermal simulation arbitrates between thermal inertia, solar shading, brise-soleil and night-time over-ventilation to avoid systematic air conditioning. The carbon thresholds (Ic construction, Ic énergie) steer the choices of structure and bio-based materials. We carry out the RE2020 calculation, the STD, the ACV and the Bbio and completion certificates on Montpellier operations.

Summer comfort is the sticking point of the RE2020 in Montpellier: on exposed façades, the degree-hours (DH) threshold is quickly exceeded, all the more so in the south of France. Dynamic thermal simulation arbitrates between thermal inertia, solar shading and natural ventilation before the building envelope is fixed.

Our services

RE2020 Thermal Study in Montpellier: what we do.

RE2020 regulatory thermal study (TH-BCE)

Dynamic thermal simulation (STD)

Summer comfort (degree-hours DH)

Carbon life-cycle assessment (ACV)

Bbio / completion certificates

Coverage area

RE2020 Thermal Study in Montpellier and the surrounding area.

Our teams travel from Aix-en-Provence to Montpellier and the neighbouring municipalities of the 34 department.

Montpellier
Lattes
Castelnau-le-Lez
Pérols
Juvignac
Saint-Jean-de-Védas
Lunel

FAQ

FAQ, re2020 thermal study in Montpellier

Summer comfort is one of the sticking points of the RE2020, particularly in the south of France: the degree-hours (DH) indicator is decisive there and the upper threshold (1,250 DH) is quickly reached without solar shading, thermal inertia and night-time ventilation. We verify it through dynamic thermal simulation (STD) from the design stage in Montpellier to avoid non-compliance at the end of the project.
Yes: RE2020 regulatory calculation (Bbio, Cep, Cep,nr, Ic construction / Ic énergie carbon indicators via dynamic ACV) using the TH-BCE engine, Bbio certificate to be filed with the planning permission and compliance certificate at completion. We cover residential and commercial buildings in Montpellier and its department.

Other locations

RE2020 Thermal Study across the region.

RE2020 Thermal Study in Aix-en-Provence NORMAXIS in Occitania RE2020 Thermal Study in Toulouse RE2020 Thermal Study in Nîmes RE2020 Thermal Study in Perpignan RE2020 Thermal Study in Béziers

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