What Does Defrost Mean On Dehumidifier. Desiccant dehumidifiers do not need to defrost. Water is not pumped out while unit is running under the pump mode (70 pint models only).

Bucket is full of water while the unit is running without pump mode. Don’t fret it setting timers and going back and forth, this dehumidifier can work up to 24 hrs, with a defrost feature, water pump and 5m drain hose it will instantly drain all the moisture absorbed from your spaces. This usually occurs when the ambient air temperature in the room or basement reaches 65 degrees f or lower.