Air Conditioner - A white mist or dust coming out of the indoor unit

Issue

A white mist coming out from the indoor unit

Dust is blown out from the indoor unit

Applies to

• Westinghouse Split System Air Conditioner
• Kelvinator Split System Air Conditioner

Solution

A white mist coming out from the indoor unit

• A white mist may generate due to a large temperature difference between
  air inlet and air outlet on COOL mode in an indoor environment that has a high relative humidity.
• A white mist may generate due to moisture generated from defrosting process when the air conditioner restarts in HEAT mode operation after defrosting.

Dust is blown out from the indoor unit

• This is a normal condition when the air conditioner has not been used for a long time or during first use of the unit.