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Air to water heat pumps. Testing and rating at part load conditions and calculation of seasonal coefficient o…

Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient o…

Air to water heat pumps — Testing and rating at part load conditions and calculation of seasonal coefficient…

Overview ISO 21978:2023 - "Air to water heat pumps - Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating" - defines test conditions and…

Heat pump water heater. Testing and rating at part load conditions and calculation of seasonal coefficient of…

What is ISO 21978 about? ISO 21978 specifies test conditions for determining the seasonal performance characteristics of air source heat pump water heaters for space heating with electrically driven…