Quality seal for sustainable buildings QNG in Stuttgart
We support you with QNG certification in Stuttgart
Certification with the QNG
We support you with the QNG certification in Stuttgart for the KFN promotion – climate-friendly new construction of the KfW. Find out more about the Quality Seal for Sustainable Buildings (QNG) with regard to the requirement criteria, the certification costs and the certification process.
We answer questions, advise and support you in successfully meeting your targets in the areas of green building certification according to LEED, DGNB, QNG, BNK, BNG, Nawoh, BREEAM, energy optimization and simulation, life cycle assessment, building ecology, building product consulting in building certifications, Cradle to Cradle ® and much more.
Find out more about QNG certification for your project in Stuttgart
Find out more about the Quality Seal for Sustainable Buildings (QNG) with regard to the requirement criteria, the certification costs and the certification process.
Your contacts for the QNG assessment of your project in Stuttgart

M.Eng. Dorothea Dörr
LEED® AP | DGNB Auditor | WiredScore AP (Development & Occupied) | SmartScore AP

Dipl.-Ing. Thomas Hoinka
LEED® AP, DGNB Senior Auditor, BREEAM Assessor, BREEAM DE Auditor, BREEAM AP, Passivhaus-Planer, Energieeffizienz-Experte (KfW), Energieauditor, GPCP
Phone +49 711 62049-340
Email info@hoinka.com