Dehumidifier - Exhaust Air Temperature Warm

Warm or hot air coming from under or behind a Dehumidifier is normal and part of the dehumidification process when the appliance is drawing moisture from the air.

Understanding Why Warm or Hot Exhaust Air Is Coming from a Dehumidifier

When the Dehumidifier is dehumidifying, the compressor is generating heat as it operates. In order to avoid having the compressor overheat, air is drawn by the compressor at a rapid rate and exhausted from the appliance. The warm air will stop shortly after the Dehumidifier has reached the desired humidity.

Note: When running in defrost or fan mode, the compressor shuts off, the fan will continue to run and the room air will accelerate the defrosting process. When the appliance is in defrost mode, it will actually blow cold air into the room. There is a thermostat that triggers the defrost. which goes off based on time and temperature.

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