Assertion: window air conditioner | /r/HasProperty | efficient
Facets:
value: extremely
type: DEGREE
value: in the amount of energy
type: OTHER
Source sentences:
text: Window air conditioners are designed to be compact, affordable, and relatively efficient; some also double as heaters for wintertime.
text: Window air conditioners are also extremely energy efficient.
text: Window air conditioners are not only an affordable cooling option, but they are also extremely efficient in the amount of energy they use.