APPLIANCE COST GUIDE
How much does a dehumidifier cost to run?
A dehumidifier's humidistat cycles the compressor as moisture changes. Room conditions and the humidity target can move annual cost substantially.
Editable estimate
Calculate running cost
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Estimated monthly cost—30-day month
Daily—
Annual—
Daily energy—
Annual energy—
kW × effective runtime × rate. Effective runtime = hours/day × duty cycle.
Ways to lower this cost
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RATE COMPARISON
How your rate changes the cost
Same appliance inputs, using May 2026 EIA residential averages.
Data updatedEIA residential prices · May 2026View Table 5.6.A
Make the estimate more accurate
- Base hours on the damp season if use is seasonal.
- Clean the filter and allow airflow.
- A continuous drain prevents interruptions but does not directly reduce power.
Presets are estimates. Use your model label, an EnergyGuide figure or a safe meter reading when available.