2 kW Portable Fan Heater running cost — 12 h cold snap
A 2 kW Portable Fan Heater (2,000 W) running 12 hours/day uses 24.00 kWh and costs £6.27/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
2 kW Portable Fan Heater — 12 h cold snap: 2,000 W ÷ 1000 × 12 h × 26.11p/kWh = £6.27/day. Weekly (7 days): £43.86. Annual: £2280.97. Coverage: Fast heat for any room — most common portable type. Source: Energy Saving Trust (wattage, typical/indicative); Ofgem (OGL v3.0).
- Per hour
- 52.2p
- Per day (12 h)
- £6.27
- Per week (7 days)
- £43.86
- Per year
- £2280.97
Heater specification
- Rated power
- 2,000 W (2.0 kWh/h)
- Coverage
- Fast heat for any room — most common portable type
- Cost per kWh (Ofgem cap)
- 26.11p
- Cost per hour
- 52.2p
Energy Saving Trust — typical 2 kW portable fan heater rating
How the cost is worked out
- Wattage: 2 kW Portable Fan Heater draws 2,000 W = 2.0 kWh per hour.
- Daily use: 2.0 kWh × 12 h = 24.00 kWh/day.
- Daily cost: 24.00 kWh × 26.11p = £6.27.
- Weekly (7 days): £6.27 × 7 = £43.86.
- Annual: £43.86 × 52 = £2280.97.
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2,000 W wattage from Energy Saving Trust — Heating your home guide (typical appliance ratings) (typical/indicative). Unit rate 26.11p/kWh from Ofgem — Energy price cap unit rates and standing charges (1 July to 30 September 2026), OGL v3.0.