Methodological framework for assessment of energy behavior of historic towns in Mediterranean climate

The application to two representative case studies details the operation phases and the achievable results toward the validation of the general methodology. Particularly, the study highlights how the energy improvement of the built heritage should focus on innovative products and solutions (e.g. aerogel, PCMs, .) that might guarantee the challenging and desirable balance between improvement of performances of building systems and safeguard of formal and material original features, as a compromise between prescriptive accomplishment and acritical exception of the normative standards.