Dual-source CO2 heat pump based on photovoltaic-thermal evaporators

Researchers in Italy have conceived a dual-source heat pump system that uses both a finned-coil evaporator and a solar evaporator made with three photovoltaic-thermal panels. Thanks to the combined action of the two evaporators, the heat pump can achieve higher evaporation pressure and coeffficient of performance. Researchers at the University of Padua in Italy have designed a dual-source heat pump that uses CO2 as the refrigerant and a solar evaporator comprising three PV-T collectors "The key innovation lies in the combined operation of two evaporators, the finned-coil and the PV-T collectors, ...

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