This booklet focuses specifically on envelope retrofit and considers it from a technical, financial, social and governance perspective. Implementation barriers, as well as the upscaling potential, will be discussed and illustrated by experiences from different European projects.
Given the importance of energy retrofit, the EU has supported many consortia to experiment with new techniques and operational procedures, financing schemes, end-user engagement strategies and governance process setups. From the analysis of a set of nearly 50 building retrofit demonstrators, it appears that half of the retrofit projects realise savings of 50-75% of the total final energy demand.
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