The energy saving shower The Blue made by Hamwells is a shower system with a heat exchange module. This module allows great reductions on warm water usage. Because of this, you can also decrease the size of your hot water infrastructure. Saving on capital investment and the yearly energy bill. So you can enjoy a comfortable and sustainable shower with the Blue. Great savings. Great comfort That is possible with the HomeSpa made by Hamwells. With our circulair shower you can enjoy a large shower head. While saving on water and energy. In circulair mode, every single drop of water is used a few times. That is how you use very little water and can enjoy a comfortable shower at the same time.