“…• primary energy savings (e.g., [17,27]), • higher energy efficiency (e.g., [11,15,28]), • the exergy efficiencies (e.g., [29]), • maximising the use of renewable energy sources (e.g., [12,16,28]), • allowing the use of off-peak electricity tariffs (e.g., [12]), • increasing energy flexibility (e.g., [14,15]), • increase in self-sufficiency in heat production (e.g., [20]), • economic benefits (e.g., [16,17,21,[30][31][32]), • reducing urban warming (e.g., [33]) and global warming (e.g., [32]), • significant reduction of air pollutant emissions (e.g., [16,17,21,33]).…”