Fridge Tips: Why is it advised to keep A4 size paper in the fridge in summer? Know the easy test and reason
Samira Vishwas July 04, 2026 10:24 PM

Tezzbuzz Desk- In the hot summer and humid season, refrigerator becomes one of the most essential needs of the house. During this time the fridge has to work harder to maintain coolness. In such a situation, if the seal of the door does not work properly, then cold air leaks out and electricity consumption also increases.

What is A4 paper test and why is it done?

A4 size paper test is considered an easy and homely method to check the performance of the refrigerator and the door seal (gasket). This test shows whether the refrigerator door is closing completely airtight or not. If the seal becomes weak, cold air starts escaping and the refrigerator has to work harder, which can increase the electricity bill.

How to do A4 paper test?

Step-by-step method

  • Take an A4 size paper
  • Keep half of it inside the fridge and half outside
  • now close the door
  • try to gently pull the paper out

What do the results tell?

  • If paper comes out with stretch → seal is ok
  • If paper comes off easily → seal may be weak

What to do if the seal is weak?

clean thoroughly

Clean the rubber gasket and door with warm water and mild dish soap. Sometimes the seal does not work properly due to dirt and grease.

Consider replacing the gasket

If the problem persists after cleaning, replacing the gasket may be a cheaper and better option.

How does this test help in saving electricity?

A well-sealed refrigerator keeps cold air in and hot air out. This puts less load on the compressor. Electricity consumption is less. Cooling remains continuous.

Why is it important to pay special attention to old refrigerator?

Refrigerators 15 years old or older generally consume more electricity. If they have recurring cooling problems, upgrading to a newer energy-efficient model may be beneficial in the long run.

A4 size paper test is a very simple but effective method by which you can know the condition of the seal of your refrigerator. In summer, this small solution can help in saving electricity, better cooling and increasing the life of the refrigerator.

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