Dimplex ECR20 Oil Free Radiator 2kW review: running cost and verdict
Oil-free 2 kW column radiator: lighter than an oil filled one and quicker to warm up, with three heat settings, thermostat, castors and a tilt switch.
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The good
- Lighter and faster to warm up than oil
- Three heat settings and thermostat
- Tilt switch and overheat protection
- 3-year warranty with registration (per listing)
The not so good
- No timer (see the ECR20TIE)
- Fewer reviews so far
How much does it cost to run?
One hour at full power (2,000 W)
Low setting: 15.8p an hour
A month of typical use
5 hours a day on thermostat
Ofgem price cap, Direct Debit, national average (1 October to 31 December 2026). Watt for watt, every electric heater costs the same to run. What makes the Dimplex ECR20 Oil Free Radiator 2kW cheaper or dearer is its size and its controls: dial thermostat. More in which electric heater is cheapest to run.
Specifications
| Type | Oil-free radiator |
|---|---|
| Power | 2,000 W (low setting 600 W) |
| Room size | about 20 m² (215 sq ft) |
| Controls | Dial thermostat |
| Oscillation | No |
| Tip-over protection | Yes |
| Splash protection | No |
| Noise | Silent (no fan) |
| Amazon ASIN | B0DL61VNHL |
| Source of specs | Amazon.co.uk listing and Dimplex (settings 600 / 1400 / 2000 W) |
Frequently asked questions
How much does the Dimplex ECR20 Oil Free Radiator 2kW cost to run?
At full power it uses 2.00 kWh an hour: about 52.6p at the Ofgem price cap (26.32p/kWh). Typical use (5 hours a day on thermostat) comes to around £47.38 a month.
What size room will the Dimplex ECR20 Oil Free Radiator 2kW heat?
About 20 m² (215 sq ft) in a reasonably insulated home. For a draughty room or an old house, go one size up.
Can I leave the Dimplex ECR20 Oil Free Radiator 2kW on overnight?
It is designed for long periods: use the thermostat on a low setting, keep it away from curtains and bedding, and plug it straight into the wall.
Can I use the Dimplex ECR20 Oil Free Radiator 2kW in a bathroom?
No: it has no splash protection. In a bathroom use only heaters rated IP24 or higher, fitted outside the wet zones.
Alternatives
De'Longhi Radia S TRRS0920E.G 2000W
- Oil filled radiator · 2,000 W
- 2 kW oil filled radiator with LED display, timer, safety thermostat and an Eco Plus mode that adjusts output to the room temperature.
- Costs 52.6p an hour at full power.
De'Longhi Dragon 4 TRD40820T
- Oil filled radiator · 2,000 W
- The classic premium oil filled radiator: 2 kW, three heat settings, thermostat, anti-frost and a 24-hour timer, with a 10-year warranty. Silent and keeps warming after it switches off.
- Costs 52.6p an hour at full power.
De'Longhi Dragon 4 TRD41025T 2.5kW
- Oil filled radiator · 2,500 W
- De'Longhi's 2.5 kW Dragon 4: three heat settings, thermostat and timer, rated for rooms up to 75 m³ (about 30 m²). Silent, steady heat that keeps going after it switches off.
- Costs 65.8p an hour at full power.
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