FAQs -- Nomenclature -- 1.Experience Today -- 2.Decentralised Polygeneration of Energy -- 3.Combine Micro-systems -- 4.Micro-combined cooling, heating, and power systems based on a Stirling engine and renewable energy sources(the mCCHP-SE-RES systems) -- 5.Structural design of the domestic mCCHP-SE-RES systems -- 6.Technical design of the domestic mCCHP-SE-RES systems -- 7.Experimental case study.