Assertion: source heat pump | /r/CapableOf | struggle to scavenge heat
Facets:
value: from freezing winter air
type: CAUSE
Source sentences:
text: So while a conventional "air-source" heat pump struggles to scavenge heat from freezing winter air or to dump it into the summer swelter, its "ground-source" counterpart has the comparatively easy job of extracting and disbursing heat through the 50-degree liquid circulating in its ground loop.