Scientists in Spain have developed a new heat pump that can produce 6.49 kWh of heat for each kilowatt-hour of power it consumes. The device could generate hot water at a temperature of up to 75 C.Researchers from the Polytechnic University of Valencia in Spain and heating specialist Saunier Duval, a unit of Germany-based Vaillant Group, have developed a new residential heat pump based on natural refrigerants. The device uses propane as a refrigerant, which allows for high energy efficiency, while keeping carbon dioxide emissions to almost zero. "Our heat pump can heat homes completely environmentally ...Den vollständigen Artikel lesen ...
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