| 摘要 |
A method and equipment for increasing the efficiency of a heat pump is the subject of the present invention. The method comprises providing an underground pathway for air travel, forcing a quantity of air through the pathway for operation of the heat pump, and directing air emanating from the underground pathway to the heat pump inlet. The equipment of the invention comprises a heat pump, an underground conduit presenting an elongated path for accommodating the flow of air therethrough for heat exchange purposes with the earth, with the outlet of the underground conduit being disposed for directing air toward the heat pump.
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