France heatwave: Energy Performance Certificate (DPE) ineffective for summer comfort

Homes rated A or B under the Energy Performance Certificate (DPE) remain too hot during heatwaves.

Published 7sem3 sources✓ ConfirmedNotableupdated 6j

Lire en français

≈ 19sSpeed

The fact

This assessment, designed for winter, ignores thermal inertia and natural ventilation.

Professionals are calling for a reform to include summer comfort.

3 sources — click a link to read an article on the topic:

Revolution Energetique

Numerama

Ouest-France

Why it matters

Le Diagnostic de Performance Énergétique (DPE) est un outil clé de la politique française de rénovation énergétique, mais son inefficacité face aux canicules remet en cause son utilité pour le confort estival, un enjeu croissant avec le réchauffement climatique.

Explore this topic

France #DPE #canicule #confort thermique #logement #transition énergétique #rénovation #été #ventilation #inertie thermique

What if you saw the whole news differently?Factae cross-checks hundreds of sources worldwide to keep only the fact, no opinion. Explore the front page.

Follow topic →

Auto-synthesis from 3 media sources · identified on July 18, 2026

← Back to home

The fact

Why it matters

Read more

Energy performance diagnosis to evolve and include summer comfort criteria

France suffocates in poorly insulated homes during heatwave

France facing heatwaves: climate emergency and poorly insulated housing

School thermal renovation: heat wave exposes complex challenge

Repeated heatwaves: Europe grapples with the challenge of non-air-conditioned housing

France's energy performance diagnosis criticized for inefficiency