Mini split AC vs Whole-house fan: 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.
Mini split AC
- Typical watts
- 1500 W
- Hours/day
- 8
- Monthly est.
- $64.72
- kWh/mo
- 360.0
Whole-house fan
- Typical watts
- 1500 W
- Hours/day
- 6
- Monthly est.
- $48.54
- kWh/mo
- 270.0
Mini split AC is estimated to cost more per month at typical use.