How Many kWh Does a Oil-Filled Radiator Heater Use?
Oil-Filled Radiator Heater energy cost calculator — see your exact daily, monthly, and yearly electricity cost.
US national average. Edit for your local rate.
Daily Energy Use
12.00
kWh / day
Monthly Cost
$67.79
Yearly Cost
$824.75
Oil-Filled Radiator Heater — Cost Breakdown
| Period | kWh Used | Cost ($) |
|---|---|---|
| Per Hour | 1.5000 | $0.2824 |
| Per Day | 12.00 | $2.26 |
| Per Month (30 days) | 360.00 | $67.79 |
| Per Year (365 days) | 4380.00 | $824.75 |
An oil-filled radiator running for 8 hours uses about the same energy as running a clothes dryer for 3 full cycles.
3 Ways to Cut Your Oil-Filled Radiator Heater Energy Bill
- 🌱
Use the built-in timer to run the heater for 30 minutes before waking up, leveraging the oil's thermal retention.
- 💡
Set it to medium (900–1000W) — the oil retains heat so well that the thermostat will cycle off frequently, saving energy.
- ⚡
Keep the fins dust-free so heat radiates efficiently into the room instead of being trapped.
Oil-filled radiators use pure resistance heating with no motor, so wattage draw is stable and consistent from the moment it's turned on.