GE Appliances Excessive Condensation / Mullion Heater or Gasket Issue

Condensation or moisture forming on the outside of the refrigerator or around door gaskets.

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Possible Causes

High household humidity, Door gaskets not sealing, Mullion heater turned off or failed, Frequent door openings

How to Fix / Troubleshooting

Safety first: No electrical work is required for basic checks.

  • Check Energy Saver setting: Some GE models have an energy saver switch that turns off the mullion heater. Turn this feature off (i.e., turn the heater on) if you see condensation.
  • Inspect gaskets: Ensure door gaskets are clean and sealing properly. Replace if damaged.
  • Reduce humidity sources: Use exhaust fans when cooking and avoid leaving doors open for long periods.
  • Service heater: If condensation persists with the heater enabled, the mullion heater strip may have failed and should be replaced.
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Repair Difficulty

Easy 2/5

Required Part

Mullion Heater
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