Solar thermal for hotwater.Saves20-90%fuel used in water heating byproviding 24 hour solar hot water of about 60-90 degc.Approximate Saving % in,1-Power generation with steam byCoal/LPG/Gas. Can save about 20-40% by hot make upwater2-Hotels (Gas saving , 90%-100% ). 3-caterers/decoration service, (Gas saving ,50%, 80%).4-Ice cream maker, cardbox maker. (saving, about 40-50%). 5-Laundry, (Saving, about 50-to90%). 6-Boiler using industries like poultry feed, paper mill, oilmill, yarn dyeing (Saving,20-80%).7-Pharmaceutical industry,(20%-90% depending upon hot water temperature).8-Paper conefactories (Saving, 40-60%). 9-Garment steam boilers(Sacving,40-60% ). *(System has its own insulated tankto store hotwater).