| 摘要 |
A heating system employing a heat pump, which is provided with a source of heat created by a second system employing refrigerant as a heat transfer medium, is provided. In the second system the refrigerant passes through a structure wherein the refrigerant is boiled. The refrigerant is then passed by vapor pressure to a heat exchange structure where it gives off heat. The heat energy for boiling such refrigerant may be a readily available source of heat such as the ground, or a water storage system such as a pond, lake, swimming pool, river, well, or creek.
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