Erhorn-Kluttig, HeikeHeikeErhorn-KluttigLyslow, LindaLindaLyslowErhorn, HansHansErhorn2023-02-172023-02-172017https://publica.fraunhofer.de/handle/publica/436092In the scope of the KfW funding programmes "Energy-Efficient Construction and Refurbishment", loans and subsidies from federal funds are granted, provided that stricter energy requirements than specified in legal regulations are met. To check on the effectiveness of the funding programmes, KfW has developed a comprehensive quality assurance concept.enquality of worksQUALICHeCKconstruction sitequality assuranceKfWjournal article