Technologies, strategies and instruments for energy retrofitting of historic cities

The buildings in the historical centres of small to medium-sized towns throughout Italy are generally constructed with homogeneous technological characteristics based on their geographic position and have specific cultural values.With regard to retrofitting there is a high demand for the integration of energy saving systems especially in light of the economic crisis.These elements conflict with the public administration’s responsibility to preserve listed buildings and cultural heritage artefacts and their regulatory. Another issue we have to address is the economical one, in particular the one referred to homeowners’need to install these systems in order to save on their electricity bill.We need to analyse these aspects because of the numerous variables involved in energy retrofitting operations in historic buildings using appropriate systems and software.The objective is to define possible guidelines in the field of retrofitting of historical buildings also analysing practical examples and case studies in the Italian territory.In this regard it is necessary to look at the issue from a technical managerial and economic point, taking into consideration the technology used and financial and economic instruments forprivate sector housing.