
Devola Smart Glass Panel Heater 1000W review: running cost and verdict
1 kW Wi-Fi glass panel heater for bedrooms and home offices, with weekly programming.
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The good
- Low running cost per hour
- Wi-Fi and weekly programming
- Wall-mounted or freestanding
The not so good
- Not enough for a large room
How much does it cost to run?
One hour at full power (1,000 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 Devola Smart Glass Panel Heater 1000W cheaper or dearer is its size and its controls: digital thermostat, weekly schedule, wi-fi, remote. More in which electric heater is cheapest to run.
Specifications
| Type | Panel heater |
|---|---|
| Power | 1,000 W |
| Room size | about 10 m² (108 sq ft) |
| Controls | Digital thermostat, weekly schedule, Wi-Fi, remote |
| Oscillation | No |
| Tip-over protection | Not stated |
| Splash protection | No |
| Noise | Silent (no fan) |
| Amazon ASIN | B08VWQDC52 |
| Source of specs | Amazon.co.uk listing (title) |
Frequently asked questions
How much does the Devola Smart Glass Panel Heater 1000W cost to run?
At full power it uses 1.00 kWh an hour: about 26.3p at the Ofgem price cap (26.32p/kWh). Typical use (5 hours a day on thermostat) comes to around £23.69 a month.
What size room will the Devola Smart Glass Panel Heater 1000W heat?
About 10 m² (108 sq ft) in a reasonably insulated home. For a draughty room or an old house, go one size up.
Can I leave the Devola Smart Glass Panel Heater 1000W 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 Devola Smart Glass Panel Heater 1000W 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

Devola DVPW2500WH Smart Glass Panel Heater 2500W
- Panel heater · 2,500 W
- The 2.5 kW version of the Devola smart glass panel: Wi-Fi app and voice control, a thermostat accurate to about half a degree and a 7-day timer, for living rooms up to about 25–30 m².
- Costs 65.8p an hour at full power.

Devola DVPW1500WH Smart Glass Panel Heater 1500W
- Panel heater · 1,500 W
- Wi-Fi glass panel heater, wall-mounted or freestanding, with 7-day programming, thermostat and IP24 splash protection. Heats rooms up to 20 m² only when you need it.
- Costs 39.5p an hour at full power.

Devola DVM20B Slim Panel Heater 2kW
- Panel heater · 2,000 W
- Slim 2 kW panel heater with 24-hour and 7-day timers, IP24 and tip-over protection, for rooms up to 22 m².
- Costs 52.6p an hour at full power.
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