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Do Humidifiers Use Much Electricity?
Overview
No—humidifiers are low-power appliances. Usually just tens of watts, so running one all night costs almost nothing.
| Type | Typical Power | Notes |
|---|---|---|
| Ultrasonic | 20–30W | Energy-saving, most common |
| Evaporative | 15–25W | Fan-driven, low power |
| Warm-mist (heating) | 200–400W | Heating uses more power |