Assertion: electric space heater | /r/HasProperty | efficient
Facets:
Source sentences:
text: It is therefore important to purchase an electric space heater that is energy efficient.
text: But if you only need to warm one room, the Department of Energy (DoE) says that portable electric space heaters can be an effective option—and may even save you some money.
text: Some electric space heaters available on the market are energy efficient.
text: Electric space heaters are safe and efficient when used properly.
text: This impressive indoor electric space heater is energy efficient, equipped with a safety switch, portable, does not produce any noise when switched on, and can be mounted on the wall.