Reviewing the DeLonghi TRD40615E Dragon 4 was no tough task. I hate being cold and sitting through a long Chicago winter in an old drafty house often left me with ice-cold fingers and toes.

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.

If that’s you, you deserve to be warm, too! The DeLonghi Dragon digital heater is an oil-filled heater that emanates heat like a radiator instead of blowing hot air. It’s a great choice for ...

We've tested more than 40 electric heaters over the past three years, including small oil filled radiators and large ones from DeLonghi, Dimplex and more. We've found one oil filled radiator that is a ...

Filled with oil, the heaters are heavy in weight and ... adjust temperature easily with its control feature. This oil heater from Delonghi comes with a 9-fin design and works on a 900-watt power ...