a) Electric: DHW generated from electric heating elements.
        b) VR Boiler: DHW generated mainly from steam or water tube vertical boiler.
        c) Gas Boiler, HR Boiler: DHW generated mainly from steam or water tube                          horizontal boiler.
        d) Co-Generation: DHW generated by combined heat and power (CHP).
        e) District Heating: DHW generated by centralized heat distribution network                      utilizing insulated pipes.
         f) Heat Pump: DHW generated by air/water/geothermal heat pump.
        g) Steam: DHW generated by steam boilers. 

   

Did this answer your question?