Teixeira, A. RegoDuarte, RogérioBrotas, L.Almeida, P.Brandão, M. A.2013-07-232013-07-231998http://hdl.handle.net/10400.26/4564In this paper, energy rehabilitation studies of a large group of historical buildings are assessed. A general methodology and some particular constraints are discussed. For a case study including 65 buildings in one of Lisbon’s historical centres, the methodology used, the proposed energy-efficient measures and the results in terms of heating energy savings and summer thermal convert are presented and discussed.engEnergy rehabilitationEnergy efficiencyHistorical buildingsconference object