THE ENERGY EFFICIENCY MEASURE IS TO REMOVE ALL THREE EXISTING DIESEL FUEL BOILERS AND TO CLEAN UP THEIR FUEL TANKS AND PRODUCE THE HOT WATER WITH SOLAR COLLECTORS AND HEAT PUMPS. IN ORDER TO DO THIS, A CENTRALISED HOT WATER PRODUCTION PLANT HAS BEEN PUT IN PLACE. THE NEW PLANT FOR THE PRODUCTION OF DOMESTIC HOT WATER TO BE CARRIED OUT IN THE VICINITY OF THE HEALTH SERVICE AND TAKING ADVANTAGE OF THE TECHNICAL ROOM LEFT FREE FROM THE GAS OIL BOILER, AND WHICH IS CHARACTERISED BY THE FACT THAT HEATING OF THE AVVERRA WATER EXCLUSIVELY FROM RENEWABLE SOURCES VIA AN INSTALLATION WITH SOLAR COLLECTORS INTEGRATED BY WATER AIR HEAT PUMPS. THIS NEW TOILET IS ALSO USED BY THE OTHER TWO LAVATORIES USING A DISTRIBUTION LINE WHICH IS SPECIALLY INSULATED AND BURIED. MEASURE NO 1: REPLACEMENT OF CONVENTIONAL WATER HEATERS WITH HEAT PUMP WATER HEATERS OR SOLAR COLLECTOR SOLAR WATER HEATERS