Researchers demonstrate technical feasibility of retrofitting PV-driven heat pumps in multi-family buildings

A research group led by Germany's Fraunhofer ISE has conducted what it describes as the first empirical study on PV-assisted two-stage HP systems in existing multi-family buildings. Its findings show that substantial PV electricity exports result in greater avoided non-renewable primary energy use. An international research team has conducted the first empirical study on retrofitting PV-assisted two-stage heat pump (HP) systems in existing multi-family buildings. The research is part of the EU-funded Happening project, which aims to develop solutions that integrate both centralized and decentralized ...

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