PowerShares WilderHill Clean Energy ETF (PBW) Holdings [View article]
Hey Aquaculture - I believe you mean ground sourced heat pumps not geothermal. Speaking as a geologist, geothermal is hot water gysers etc. Ground sourced heat pumps use the stable temperature of the earth as a heat source (winter) or sink (summer) for a heat pump.
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Hey Aquaculture - I believe you mean ground sourced heat pumps not geothermal. Speaking as a geologist, geothermal is hot water gysers etc. Ground sourced heat pumps use the stable temperature of the earth as a heat source (winter) or sink (summer) for a heat pump.
May 19 23:30 pm
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All Comments by oaksleeksbeans »PowerShares WilderHill Clean Energy ETF (PBW) Holdings [View article]