A great selection of features make the DeLonghi Radia S a good pick for those who want to warm a room without spending too much. The DeLonghi Radia S Eco (TRRS0715E) is an oil-filled radiant heater.

This effective portable heater works quickly and lasts for ... was cooler to the touch than our current oil-filled radiator pick from De’Longhi, but that’s because it raised the room ...

The best space heaters for large rooms can provide warmth without the need to turn up your home's thermostat. Here are our top picks for beating the winter chill.