Първоначално изпратено от Turbolan
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Използва топлината от пречистени отпадни води, лятото охлажда.
https://www.huber.de/huber-report/ab...astewater.html
Underground sewer networks are a hidden source of energy. Domestic wastewater maintains a temperature between 50 and 68 °F (10 and 20 °C), even in the winter. This stable temperature range makes wastewater an excellent energy source for operating a heat pump. With its low temperature during the summer, wastewater is also a heat sink, and can be used for cooling buildings.
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