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FR Artisan rénovation énergétique Luxembourg Design and organisation of public works and buildi - Eco construction - Building energy performance 15.10.2024
FR Artisan Certifié Maison Passive - Examen Enveloppe du bâtiment - Artisan Certifié Maison Passive Esch-sur-Alzette Design and organisation of public works and buildi - Eco construction - Building energy performance 21.05.2024
DE Zertifizierter Passivhaushandwerker - Gebäudetechnik - PassivhausHandwerker Energieagence SA Design and organisation of public works and buildi - Eco construction - Building energy performance - Building energy performance label 13.05.2024
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