The Upfall Shower of Xenz consumes only 1.2 litres of hot water per minute and is thus the most energy-efficient shower in the world. That's because a large part of the water recovered. It is collected, filtered, heated, and circulated. The beam is just as powerful as a standard showerhead.
The Upfall Shower is not only good for the environment, but also for your wallet, because you waterfactuur decreases and you pay less heating costs. The installation is quite expensive: depending on the model you choose, expect to pay between 3.495 and 4.195 euros. Below you can see how the shower works and you can read the roadmap. You can order via this link.