PROTECNA prepared the Thermal and Acoustic Projects for the requalification and construction of four multifamily buildings, located in one of the prime areas of the city of Faro. This development has applied for the Financial Instrument for Urban Rehabilitation and Revitalization (IFRRU 2020). The promoter IMOCASAIS (CASAIS group) trusted the technicians and experts ADENE/IFRRU from PROTECNA to develop and contribute with improvement solutions that will allow it to achieve high thermal and acoustic performance.