Oil-filled radiators are one of the most portable ... ‘They also provide radiant heat to the surrounding area but lack the ability to focus heat in a specific direction, which may not suit ...

The Amazon Basics Portable Radiator is a bare-bones radiant oil heater that can warm ... generally fall into one of three categories: fan heaters, ceramic heaters and oil-filled radiators.

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.

However, despite their name, radiators actually transfer most of their heat to a room by convection, not radiation. Normally radiant heaters must be at least red hot before they are effective.