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Refrigerator problem

Condensation Inside the Refrigerator

Beads on the walls and shelves, or fog on the inside of a glass door.

5 likely causes 5 things to check first
Beads of condensation covering the inner walls and the glass shelves of an open refrigerator.

What this usually means

Condensation is humid air meeting a cold surface, so it is a question about how much humid air is getting in rather than about the cooling system. A door opened often, a door not sealing, a hot and humid room, and warm food put straight in all produce it. On a wine cabinet with a glass door it appears far sooner than it would on a solid door, and often means nothing is wrong at all.

Five observations that narrow it

Answer these before anyone visits. Each one removes a whole branch of the diagnosis, and they cost nothing.

  1. Is it on the walls, on the shelves, or on the inside of a glass door?

  2. How humid is the room, and has the weather changed?

  3. How often is the door opened, and does it always close fully?

  4. Has warm food been put in uncovered or while still hot?

  5. Is the appliance also frosting anywhere?

Causes, cheapest first

In roughly the order a technician rules them out. The expensive answer is at the bottom because it is usually the last one true, not the first.

Humid room or season

none

Often the whole explanation, and it disappears when the weather does.

Door left ajar or opened frequently

none

Every opening admits a cabinet's worth of room air, which then gives up its moisture on the cold surfaces.

Gasket no longer sealing

low

A continuous small inflow produces continuous condensation.

See refrigerator door not sealing

Warm or uncovered food

none

Uncovered liquids and hot dishes put a surprising amount of water into the air inside the cabinet.

Glass door on a wine cabinet

none

A glass door is a far poorer insulator than a solid one, and fogging is expected in a humid room rather than a fault.

Check these before you book

  • Cover liquids and let hot food cool before it goes in.
  • Check the gasket with the paper test.
  • Note whether the weather or the room humidity has changed.
  • Check the door is not being held ajar by a bin or a bottle.
  • Note whether there is frost as well as condensation.

How urgent is this?

Not urgent. It becomes worth a visit when it persists in a dry room or comes with frost.

What fixes it

The work behind the causes above, with what it costs relative to the rest.

Refrigerator Door Gasket and Alignment Repair lowest

The cheapest job on the list, and the real cause of a great many expensive-sounding symptoms.

Defrost Drain and Leak Repair low

Three separate water systems, and a leak belongs to exactly one of them.

Related problems

Refrigerator Door Not Sealing

A gap of a few millimetres is enough to frost an evaporator and run a compressor continuously.

Water Collecting Inside the Refrigerator

Water under the crisper drawers, or a sheet of ice in the bottom of the freezer.

Frost Building Up in the Refrigerator

Ice on the back wall, around the door, or over the whole freezer — and each location means something different.

Back to your everyday

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