Dimplex ML2TSTIE7 2kW Convector Heater review: running cost and verdict
A slim 2 kW Dimplex convector, freestanding or wall-mounted, with an electronic thermostat accurate to about 1 °C and a 7-day timer with four schedules a day: heats only when you need it.
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The good
- Electronic thermostat and 7-day timer
- Freestanding or wall-mounted
- Quiet: no fan
- Frost protection
The not so good
- Few reviews checked
- Convectors heat the air, so the room cools quickly when off
How much does it cost to run?
One hour at full power (2,000 W)
at 26.32p/kWh
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 ML2TSTIE7 2kW Convector Heater cheaper or dearer is its size and its controls: digital thermostat, weekly schedule. More in which electric heater is cheapest to run.
Specifications
| Type | Convector heater |
|---|---|
| Power | 2,000 W |
| Room size | about 20 m² (215 sq ft) |
| Controls | Digital thermostat, weekly schedule |
| Oscillation | No |
| Tip-over protection | Not stated |
| Splash protection | No |
| Noise | Silent (no fan) |
| Amazon ASIN | B09WNF5ZJ6 |
| Source of specs | Amazon.co.uk listing (ML2TSTIE7, 7-day timer) |
Frequently asked questions
How much does the Dimplex ML2TSTIE7 2kW Convector Heater 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 ML2TSTIE7 2kW Convector Heater 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 ML2TSTIE7 2kW Convector Heater 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 ML2TSTIE7 2kW Convector Heater 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
Dreo Atom 316 Ceramic Heater 1500W
- Fan heater · 1,500 W
- One of the most-reviewed ceramic heaters on Amazon UK: quiet (34 dB), digital thermostat, 12-hour timer and remote. Warms a bedroom or home office in minutes.
- Costs 39.5p an hour at full power.
Dreo 2000W Oscillating Ceramic Heater
- Fan heater · 2,000 W
- 2 kW with 70° oscillation to spread the heat, a thermostat, 12-hour timer and remote. Enough to take the chill off a living room quickly.
- Costs 52.6p an hour at full power.
Dreo Solaris Slim H3S Smart Heater 2000W
- Fan heater · 2,000 W
- Slim 2 kW heater you can switch on from your phone before you get home, with thermostat, oscillation, timer and remote.
- Costs 52.6p an hour at full power.
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