The restoration project and energy efficiency upgrading of the monumental complex of the Antonian Friars of Caposampiero (PD), spread over an area that contains buildings dating from the fourteenth century, with a total built complex, up to ‘60s of last century, of more than 8 thousand square meters. The actions of the project are: 1 LaserScan-relief and 3d modelling; 2 Energetic Check-up and modeling of the church and of the new extensions; 3 Energetic regeneration through a new thermal plant system, supported by geothermal and solar technologies; 4 New connecting arm between the monastery and church, made by a new 300 square meters building, with zero CO2 emission, LEED certified, built with x-lam technology and supported by a natural ventilation system.