Reference Source

ISO 21978:2021

For ISO 21978:2021, item title is Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating; status code is 9599; successor is ISO 21978:2023; withdrawn / published date is 2021-02-03, recorded from its source on 2026-08-05.

Identifier
ISO 21978:2021 verified
Item title
Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating verified
Status code
9599 verified
Successor
ISO 21978:2023
Withdrawn / published date
2021-02-03 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

71639,IS,,ISO 21978:2021,Heat pump water heater — Testing and rating at part load conditions and calculation of seasonal coefficient of performance for space heating,Chauffe-eau à pompe à chaleur — Essais et classification à charge partielle et calcul du coefficient de performance saisonnier,2021-02-03,1,['27.080'],ISO/TC 86/SC 6,9599,,[83633],['en'],47,"<p>The document specifies test conditions for determining the seasonal performance characteristics of air source heat pump water heaters for space heating with electrically driven compressors with or without supplementary heater. The purpose of this document is to rate performance of the heat pump water heaters for space heating with no oper

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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