Preserving and Improving Energy Efficiency in Modern Architecture. Efficacy of Digital Tools.

Modern Movement architectures, built in the first half of 20th Century, constitute a heritage where possible conflicts among conservation principles and energy improvement aims are most evident. Built in a lighter way and with poorly energy performing materials, this heritage is more fragile to environmental actions and presents greater problems of material degradation and functional inefficiency. The contribution concerns a research conducted on a private villa, Villa Domus in Sestri Levante, designed by a nationally renowned rationalist architect (Luigi Carlo Daneri), located in a highly prestigious environmental position in eastern Ligurian coast. The research, in accordance with the owners, had two main objectives: a) testing digital 3D parametric modeling tools (BIM “Autodesk Revit”) to verify its interoperability with an energy performance calculation software; b) once the energy behaviour has been understood, identify and evaluate the "admissible" interventions, in accordance with the criteria adopted by the protection bodies (Italian Ministry of Culture).