The Itho Daalderop HR Base Cube is a heating system which is very efficient in its power consumption. In addition, a number of components have been omitted, including the three-way valve, so that this unit is less susceptible to interference, and therefore requires little maintenance. The Itho Daalderop Base Cube has the highest water yield of any Dutch manufacturer. This means that this device requires the least energy to produce the water. The highest water efficiency is achieved by the unique heat exchanger and intelligent water eco / comfort control.