Assertion: heat pump's cop | /r/HasProperty | reached at outdoor temperature
Facets:
value: for air source heat pumps
type: PURPOSE
value: around −18 °c
type: OTHER
value: in practice
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: In practice, a COP of 1.0 will typically be reached at an outdoor temperature around −18 °C (0 °F) for air source heat pumps.