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There is a heat exchanger. https://www.slideshare.net/HelsinginEnergia/innovation-and-smart-city https://www.slideshare.net/HelsinginEnergia/innovation-and-s..

by Hamuko 3y ago

There is a heat exchanger. https://www.slideshare.net/HelsinginEnergia/innovation-and-smart-city https://www.slideshare.net/HelsinginEnergia/innovation-and-s... (slide 21)