[eng] Palma Beach is the most developed tourist area in the Balearic Islands, there is a Master Plan who wants to build a District Heating and Cooling system. The aim of this study is to identify the viability of integrating Large Solar Plants, in buildings of tourist and residential areas. The energy costs, by a sample of collectors with different temperatures will be used in this study. The results show that collective system can reduce about a 60% the CO2 emissions using only Solar Thermal energy and find out future net zero energy building scenarios with other renewable energy sources.