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About this company
The functional principle of the Joulia technology is as simple as it is brilliant: we extract the thermal energy from the used shower water and use it to heat the incoming cold water. As a result, this water is much warmer when it arrives at the mixing valve, and 30 – 60% less hot water needs to be mixed in to produce the comfortable shower temperature you desire. This gives you an enjoyable warm shower that uses substantially less energy!