Updated April 23, 2026
Space Heater Cost Per Hour
See running costs for every common wattage at US electricity rates.
Space Heater Cost Per Hour by Wattage (US Average $0.13/kWh)
| Wattage | Cost Per Hour | Cost Per Day (8 hrs) | Cost Per Month |
|---|---|---|---|
| 750W | $0.10 | $0.78 | $23.40 |
| 1000W | $0.13 | $1.04 | $31.20 |
| 1500W | $0.20 | $1.56 | $46.80 |
| 2000W | $0.26 | $2.08 | $62.40 |
| 3000W | $0.39 | $3.12 | $93.60 |
Based on US average $0.13/kWh. Adjust using the calculator below.
Custom Cost Calculator
Frequently Asked Questions
Want to compare across all wattages at once? Our space heater cost calculator lets you enter any wattage and usage for an instant result. For whole-home context, see our how much electric heat costs breakdown.