For a bedroom or office that needs silent, steady heat held at a set temperature with a remote. Dreo’s OH310 offers much the same for less.
Amazon $119.99
For bedrooms and home offices where a silent heater should hold a set temperature on a schedule. Those who only need background heat can save with a dial radiator.
- 1,500 WHeat settings
- DigitalThermostat
- None publishedSafety listing
- 3 yearsWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Holds the temperature you set on its display, with no fan noise
- Eco mode steps the power down on its own once the room is warm
- Timer can switch it on before you get up or off after you fall asleep
- Child lock and anti-freeze setting
- Slow to warm a room, as oil radiators are
- Heavy at about 27 lb
- No remote or app, and no safety listing published
- Costs nearly twice as much as a basic oil radiator
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | TRD40615E |
|---|---|
| Heating | |
| Heat settings | 1,500 W |
| Type | Radiator (no fan) |
| Element | Oil-filled |
| Oscillates | No |
| Controls | |
| Thermostat | Digital |
| Eco mode | Yes |
| Timer | Yes |
| Remote | No |
| App | No |
| Safety | |
| Safety listing | None published |
| Tip-over shutoff | Yes |
| Overheat shutoff | Yes |
| Cool-touch housing | No |
| Build | |
| Dimensions | 16 x 10 x 26 in |
| Weight | 26.6 lb |
| Warranty | 3 years |
| Released | 2013-11-04 |
Alternatives in this type
For quiet, low-cost background heat under a drafty window or in a bedroom. It is basic, with only a dial thermostat and two settings.
Amazon $48.87For a bedroom or office that needs quiet, steady heat on a budget. It does the basics well but has no timer or digital thermostat.
Amazon $86.19Compare
Compare the De'Longhi Dragon Digital TRD40615E with any other space heater →
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