Consists of 62No. 100litre geysers which are built in combined systems of between 4 and 6 geysers per bank of solar panels. They are controlled by each tenant having their own Geyserwise attached to the geyser. Each set of geysers is controlled by a PLC which regulates the flow of hot water from the solar panels to the geysers. The system is unique to SolarJoy and is estimated to save in excess of 80% of each students hot water energy needs.