Domestic Hot Water Cylinder REPLACEMENT. 
In RED colar old metal system was Replaced by the NEW TECHNOLOGY COPPER Cylinder in SILVER colar,as suplyed to E.F.S. ENERGY SAVING by the cooperating company SUSTRUCT SOLAR Systems.

Swimming Pool SAFETY COVER FABRIC Replacement

Swimming Pool SOLAR HEATING!!!!!!

For FREE and ECONOMIC Pool heating from SUN!!!!!! Come to E.F.S.ENERGY SAVING!!!!!!