News
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13
Jul
2023
In trends
We installed the prototype of this heat exchanger in the sewage system of Bucharest, Splaiul Unirii area, in a room under Dambovita river. https://nisal.ro/wp-content/uploads/2023/07/Drumetului.mp4
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02
Feb
2023
In trends
From residential buildings, we channeled the household waste water into a transitional tank. From this tank through a heat exchanger we extract thermal energy with the help of heat pumps.We obtained a recovery of up to 40% from the thermal energy used to produce hot
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28
Aug
2021
In trends
Europe’s situation: in 2020, there were 350 geothermal district heating systems in operation, and a further 232 in various stages of development. However, 2020 is defined by no new systems coming online, apart from the extension of Hellishedi in Iceland.The European geothermal heat pump market