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- Thermal protection and modernisation of existing buildings
- g Passive House components. However, often times many buildings are modernised in a step-by-step manner... ance is rarely carried out in such instances. In many countries, single measures do not even require a building authority approval. Thereby, in many cases a qualified designer or consultant won´t ev... from the start, even over a bigger time span of many years. Thereby, even in case of the change of the