How Much Electricity Does a Dehumidifier Use Per Day?

Dehumidifiers improve indoor comfort but can use significant electricity depending on size.


Daily Power Use

Typical range:

  • 0.3–1.0 kWh per hour

  • Daily use (8 hours): 2.4–8 kWh


Daily Cost

At $0.20/kWh:

  • Low-power unit (3 kWh): $0.60/day

  • Large unit (8 kWh): $1.60/day


Tips to Reduce Dehumidifier Energy Use

  • Use in closed spaces

  • Clean filters

  • Run during humid hours only

  • Choose ENERGY STAR models


Conclusion

Efficient operation can keep dehumidifier costs manageable.