Caverion
Summary
During this year city of Seinäjoki, Finland will build a heat recovery system designed and implemented by Caverion, which utilises wastewater to provide the district heating network with heat energy equivalent to the annual consumption of about 2,000 detached houses. The system is one of Finland's first heat recovery solutions using ammonia as a refrigerant, utilising wastewater.
”One third of wastewater generated by households is domestic hot water, which means energy flowing into sewers. Therefore, we take advantage of purified wastewater, and this is a safe and environmentally friendly way to produce thermal energy for the district heating network. In Europe, very good experience has been gained with the method utilising ammonia as a refrigerant over the last ten years, and it is great that now with Caverion we get this solution in Seinäjoki,” says Pasi Salo, CEO, Seinäjoen Voima.
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