Pellet stove vs Portable space heater (oil-filled): which costs more to run? (2026)
Estimates use U.S. average $0.180 $/kWh, typical wattage, and typical hours/day from our catalog. Adjust on each appliance page.
Pellet stove
- Typical watts
- 100 W
- Hours/day
- 8
- Monthly est.
- $4.31
- kWh/mo
- 24.0
Portable space heater (oil-filled)
- Typical watts
- 1500 W
- Hours/day
- 8
- Monthly est.
- $64.72
- kWh/mo
- 360.0
Portable space heater (oil-filled) is estimated to cost more per month at typical use.