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thanks to their nature and vocation, given the typical “self-sufficiency” of the ancient
communities; the intervention of refurbishment, therefore, rejected the thesis aprioristic
conservative or transformative, needs to regain a honest projectuality able to fix, how to
address line, a path under the banner of a patient and helpful search for "compatibility"
between technological innovation, requirements of energy /ecological efficiency and
conservation/valorisation of local resources (Fig.2).
Figure 2: (Above) Solar facade in the recovery of a residential building on the canal Saint-Martin,
Paris, project: Emmanuel Saadi et Jean-Louis Rey; (right) PV roof in the mountain landscape of high
value in Flumserberg-Switzerland. Swiss Solar Prize 2011; (Below) Example of BiPV roofing on
historical contexts (image: Thesan spa)
