Tag Archives: drain water heat recovery

Shower exchanger NELA – experiences with using

We have asked our customers to write their experiences by installing and using shower exchanger NELA. Here is one of them: Peter J. (Sweden), buy 5/2016: I have very good experiences from using NELA and we are very happy with this. The incoming “cold” water still holds 20-22C rather than the raw 7-8C. The installation […]

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SUP – Wastewater recovery exchangers for industrial use NELA Shower exchanger Shower heat exchanger NELA NELA Duschwärmetauscher Flyer in English: NELA_AN_A4_2019 NELA_Globe_AN_fin Flyer in Germany: NELA_DE_A4_2019 Globe_DE (1)

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Shower heat exchanger NELA

Economical showering The water temperature used for showering is usually 37-40°C . This temperature goes down by only 3 degrees before the water reaches the sewage system. Thus, about 90% of the energy used for water heating is uselessly wasted in the drain (assuming the temperature of the incoming tap water is about 10 oC). […]

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