Dreo OH521 Oil-Filled Radiator
#3 in RadiatorsFull review
For a bedroom or living room that needs silent, steady heat held at a set temperature. The OH310 does the same job for less.
Amazon $135.92$135.92
3.4/5
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.
- 600 to 1,500 WHeat settings
- DigitalThermostat
- None publishedSafety listing
- 1 yearWarranty
Check price at Amazon$119.99
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Silent, with no fan, so it suits a bedroom
- Holds the temperature you set, and ECO mode trims power once the room is warm
- A 600 W low setting for gentle background heat
- Remote and 24 hour timer included
Cons
- Slow to warm a room, as oil radiators are
- Heavy at about 20 lb, though it rolls on casters
- One year warranty
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 | PSHO06MR6ASB |
|---|---|
| Heating | |
| Heat settings | 600 to 1,500 W |
| Type | Radiator (no fan) |
| Element | Oil-filled |
| Oscillates | No |
| Controls | |
| Thermostat | Digital |
| Eco mode | Yes |
| Timer | Yes |
| Remote | Yes |
| App | No |
| Safety | |
| Safety listing | None published |
| Tip-over shutoff | Yes |
| Overheat shutoff | Yes |
| Build | |
| Cord | 6 ft |
| Dimensions | 14.9 x 11.1 x 26 in |
| Weight | 20.3 lb |
| Warranty | 1 year |
| Released | 2024-09 |
Alternatives in this type
Dreo Oil-Filled Radiator 153
#4 in RadiatorsFull review
For someone who wants a silent radiator with plain knobs and no electronics to fuss with. Those who want a timer or a set temperature should pay a little more for the OH310.
Amazon $94.99$94.99
Comfort Zone CZ600 Baseboard Heater
#6 in RadiatorsFull review
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 $48.87$48.87
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