A hybrid-GSHP project currently being developed will investigate the economic and technical feasibility of a system using a water-to-air heat exchanger as an ancillary heat exchanger. The project has been planned to be developed in three phases, in order to have one year data for each phase. This paper describes the research facility, the concept of the hybrid-GSHP to be developed in three phases, and the energy performance of the system in Phase I from the data collected.
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