Mapampu Otentha a Geothermal——Gawo 1
Mapampu otentha a Geothermal (GHPs), omwe nthawi zina amatchedwa GeoExchange, earth-coupled, ground-source, kapena madzi-source heat pumps, akhala akugwiritsidwa ntchito kuyambira kumapeto kwa zaka za m'ma 1940. Amagwiritsa ntchito kutentha kosasintha kwa dziko lapansi ngati njira yosinthira m'malo mwa ...
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