Coupling heat pumps with roll-bonded photovoltac-thermal collectors

Researchers in Sweden have analyzed how roll-bonded PVT collectors can act as secondary heat sources in ground-source heat pumps and have found they provide a better performance than conventional PVT panels. Their techno-economic analysis also showed roll-bonded PVT systems can be up to 9% more expensive than conventional installations based on sheet and tube absorbers. Researchers at the KTH Royal Institute of Technology in Sweden claim to have identified the techno-economic optimal system design for coupling a ground source heat pump (GSHP) with photovoltaic-thermal (PVT) energy. The scientists ...

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