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Issue du Grenelle de l’Environnement, cette norme a pour but principal de réduire drastiquement la consommation énergétique des habitations et les émissions de gaz à effet de serre. Chez Landes Habitat, la maîtrise de ces exigences techniques est au cœur de notre savoir-faire pour vous livrer une maison saine, confortable et durable.\u003C\u002Fp>\n\u003Ch2>Qu’est-ce que la réglementation thermique RT2012 ?\u003C\u002Fh2>\n\u003Cp>La \u003Cstrong>RT2012\u003C\u002Fstrong> s’applique aux permis de construire déposés à partir du 1er janvier 2013. Elle marque une rupture avec les réglementations précédentes en ne se contentant plus d’imposer des moyens (comme une certaine épaisseur d’isolant), mais en exigeant des résultats précis et vérifiables. C’est un gage de performance réelle pour le futur propriétaire.\u003C\u002Fp>\n\u003Ch3>L’objectif : généraliser le Bâtiment Basse Consommation (BBC)\u003C\u002Fh3>\n\u003Cp>L’ambition affichée de la \u003Cstrong>RT2012\u003C\u002Fstrong> est de limiter la consommation moyenne d’énergie primaire des bâtiments neufs à 50 kWhEP\u002Fm²\u002Fan. Ce chiffre, qui définit le niveau « Bâtiment Basse Consommation » (BBC), inclut cinq usages essentiels :\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Le chauffage.\u003C\u002Fli>\n\u003Cli>La climatisation (refroidissement).\u003C\u002Fli>\n\u003Cli>La production d’eau chaude sanitaire.\u003C\u002Fli>\n\u003Cli>L’éclairage.\u003C\u002Fli>\n\u003Cli>Les auxiliaires (pompes et ventilateurs).\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Dans notre département des Landes, ce seuil est modulé en fonction de la zone géographique et de la surface de la maison.\u003C\u002Fp>\n\u003Ch3>Une obligation de résultats mesurables\u003C\u002Fh3>\n\u003Cp>Contrairement aux anciennes normes, la \u003Cstrong>RT2012\u003C\u002Fstrong> impose des contrôles stricts. Une attestation de prise en compte de la réglementation doit être fournie dès le dépôt du permis de construire, et une seconde attestation de conformité est exigée à l’achèvement des travaux. Cette rigueur garantit que la performance promise sur le papier est bien celle délivrée sur le terrain.\u003C\u002Fp>\n\u003Ch2>Les 3 indicateurs clés de la performance RT2012\u003C\u002Fh2>\n\u003Cp>Pour être conforme, une maison doit respecter simultanément trois coefficients majeurs définis par la \u003Cstrong>RT2012\u003C\u002Fstrong>. 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