1 kW Infrared Panel Heater running cost — 4 h evening warm-up
A 1 kW Infrared Panel Heater (1,000 W) running 4 hours/day uses 4.00 kWh and costs £1.04/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
1 kW Infrared Panel Heater — 4 h evening warm-up: 1,000 W ÷ 1000 × 4 h × 26.11p/kWh = £1.04/day. Weekly (7 days): £7.31. Annual: £380.16. 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 (4 h)
- £1.04
- Per week (7 days)
- £7.31
- Per year
- £380.16
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 × 4 h = 4.00 kWh/day.
- Daily cost: 4.00 kWh × 26.11p = £1.04.
- Weekly (7 days): £1.04 × 7 = £7.31.
- Annual: £7.31 × 52 = £380.16.
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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.