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geothermal heating

geothermal heating

methods of heating and cooling a building using underground heat

en-GB/ˌd͡ʒiːəʊˈθɜːməl ˈhiːtɪŋ/

en-US/ˌd͡ʒioʊˈθɝməl ˈhidɪŋ/

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