1 kW Infrared Panel Heater running cost — 3 h weekend daytime
A 1 kW Infrared Panel Heater (1,000 W) running 3 hours/day uses 3.00 kWh and costs 78.3p/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
1 kW Infrared Panel Heater — 3 h weekend daytime: 1,000 W ÷ 1000 × 3 h × 26.11p/kWh = 78.3p/day. Weekly (2 days): £1.57. Annual: £81.46. Coverage: Focused radiant heat, medium room — heats objects not air. Source: Energy Saving Trust (wattage, typical/indicative); Ofgem (OGL v3.0).
- Per hour
- 26.1p
- Per day (3 h)
- 78.3p
- Per week (2 days)
- £1.57
- Per year
- £81.46
Heater specification
- Rated power
- 1,000 W (1.0 kWh/h)
- Coverage
- Focused radiant heat, medium room — heats objects not air
- Cost per kWh (Ofgem cap)
- 26.11p
- Cost per hour
- 26.1p
Energy Saving Trust — typical 1 kW infrared panel rating
How the cost is worked out
- Wattage: 1 kW Infrared Panel Heater draws 1,000 W = 1.0 kWh per hour.
- Daily use: 1.0 kWh × 3 h = 3.00 kWh/day.
- Daily cost: 3.00 kWh × 26.11p = 78.3p.
- Weekly (2 days): 78.3p × 2 = £1.57.
- Annual: £1.57 × 52 = £81.46.
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1,000 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.