Assertion: heat pump's performance | /r/CapableOf | reach theoretical limit of 1.0
Facets:
value: at −273 °c
type: LOCATION
Source sentences:
text: Ultimately, due to Carnot efficiency limits, the heat pump's performance will decrease as the outdoor-to-indoor temperature difference increases (outside temperature gets colder), reaching a theoretical limit of 1.0 at −273 °C.