New defrosting tech may increase coefficient of performance of air-source heat pumps by up to 11.2%

Researchers in the United Kingdom have presented a new heat pump system that may avoid reducing heat supply during defrosting operations. The proposed concept can reportedly execute defrosting operations while ensuring continuous heating by condensing the refrigerant in the frosted evaporator. A group of researchers from the University of Glasgow and the University of Liverpool in the United Kingdom have presented an experimental flexible heat pump concept that can carry out a defrosting operation while avoiding a reduction of heat supply when the refrigerant condenses in the frosted evaporator. ...

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