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Coldfighting 180W Infrared Panel Heater (Under Desk) review: running cost and verdict
6.2/10
A thin 180 W infrared panel that warms your legs under the desk: silent, no fan, and about 5p an hour. Wall or desk mounting; no stand or thermostat.
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The good
- 180 W: about 5p an hour
- Silent radiant heat
- Very thin (15 mm)
- Overheat protection
The not so good
- Heat only within a metre or so
- No thermostat, stand or remote
- IP20: dry rooms only
Who is it for? Fixing under a desk or on a wall next to where you sit.
How much does it cost to run?
One hour at full power (180 W)
4.7p
at 26.32p/kWh
A month of typical use
£7.96
8 hours a day, 21 working days
Ofgem price cap, Direct Debit, national average (1 October to 31 December 2026). More in which electric heater is cheapest to run.
Specifications
| Type | Under-desk heater |
|---|---|
| Power | 180 W |
| Controls | — |
| Oscillation | No |
| Tip-over protection | Not stated |
| Splash protection | No |
| Noise | Silent (no fan) |
| Amazon ASIN | B0B5W8YMM1 |
| Source of specs | Amazon.co.uk listing (180 W, 603 × 303 × 15 mm, IP20) |
Frequently asked questions
How much does the Coldfighting 180W Infrared Panel Heater (Under Desk) cost to run?
At full power it uses 0.18 kWh an hour: about 4.7p at the Ofgem price cap (26.32p/kWh). Typical use (8 hours a day, 21 working days) comes to around £7.96 a month.
Alternatives
OLYDON Heated Floor Mat Under Desk 55W
- Under-desk heater · 55 W
- A 55 W heated mat to rest your feet on under the desk, with 7 temperature settings and a 3-hour auto-off: a full working day costs a few pence.
- Costs 1.4p an hour at full power.
Silentnight Comfort Control Electric Foot Warmer
- Under-desk heater
- Teddy fleece foot warmer with 3 heat settings, overheat protection and a 2-hour auto shut-off. Slip your feet in under the desk: warms you for about a penny an hour.
- Costs 1.3p an hour (typical) at full power.
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