Abstract
The ground-coupled heat pump (GCHP) system utilizes the ground as a heat source/sink of the heat pump, and has been identified as one of the best sustainable energy technologies for space heating and cooling in residential and commercial buildings. Applications of this relatively-new technology in China have grown dramatically in the past decades owing to the urgent demands of energy conservation and environment protection for sustainable development. Government decrees and incentives on the GCHP technology in China are presented in this paper. Research and development on the GCHP technology in China are summarized, including those in the heat transfer modelling of borehole heat exchangers as well as technical developments of energy piles, deep borehole heat exchangers and hybrid GCHP systems.
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