| 摘要 |
A heating system that includes a solar collector assembly exterior of a building that is fluidly connected by inlet and return conduits to separate chambers in a heat transfer tank located in the building, a heat pump furnace unit having an evaporation-condensor coil located in the heat transfer tank so that as the liquid flows in the tank from one chamber to the other it flows in heat transfer relationship to the coil, the heat pump furnace unit being located outside of the tank and being provided for supplying heat to the building heating system, and a plurality of vertically elongated ground heat exchangers extended into the earth and connected by conduits so that there is provided a liquid flow path from one of the tank chambers through the ground heat exchangers, and then back to the other chamber. Pumps are provided in the above conduits for pumping the liquid between the tank and the solar collector assembly, and the tank and the ground heat exchangers.
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