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How to Reduce Refrigerator Noise

Refrigerators make a variety of different noises during normal functions. However, if your fridge is making noise that you haven’t noticed before, is louder, or lasts longer than usual, it could indicate a problem.

Why is My Fridge Making a Loud Humming Noise?

Refrigerators typically make soft humming sounds while the condenser fan is running. However, if you notice your fridge is making noises that are unusual, it’s important to determine where the noise is coming from to help figure out the cause.

  • Buzzing – Often caused by the compressor when it’s running or the water valve opening to fill the ice maker. These are normal functions and shouldn’t be of concern.
  • Vibrating – May be caused by an unlevel or unsteady refrigerator.
  • Rattling – Usually caused by water flowing through the supply lines or loose items on top or around the refrigerator.
  • Whirring or Pulsating – Commonly heard when the refrigerator’s fans adjust while the compressor operates. This is a normal function and shouldn’t be of concern.
  • Cracking – This sound naturally occurs due to the expansion and contraction of the inside walls. This is especially common during the cool-down phase or while it defrosts.
  • Popping – These sounds can also occur when ice is ejected from the maker and falls into the ice bin. These are everyday occurrences and shouldn’t be of concern.
  • Dripping or Hissing – The flow of refrigerant can cause these sounds. It is a normal function and no reason to worry.
  • Sizzling – You may hear this during the defrost cycle if water drops onto the heater. It’s a normal function and is no reason to worry.
  • Gurgling – This can occur when refrigerant runs through the tubes after a cooling cycle.
  • Clicking – This could be the sound of the defrost timer switching on and off.

How do I Stop My Refrigerator From Making Noise?

Depending on the noise your refrigerator is making and where it is coming from, there are different ways you can regain peace and quiet.

Level Your Fridge

If the refrigerator is not stable, the motor can cause it to rattle against the floor. Try leveling it first by adjusting the legs. If this doesn’t help, you can get special foam mats online that are specifically built to soundproof the rattling of the refrigerator against the floor.

Check the Water Connection

If the refrigerator is buzzing, you might have the water connection loose. Check the water connection to the ice maker. Also, check to ensure any excess tubing is securely fastened to prevent it from rattling against the refrigerator. You can also prevent noise by turning off the ice maker if you don’t use it.

Secure the Drain Pan

If you hear a rattling noise at the bottom of the fridge, it may be a loose drain pan. Securing the drain pan will stop your fridge from making noise.

Clean the Condenser Coils

If your fridge is making noise, it may be caused by dirty condenser coils. Dirty condenser coils can prevent the correct airflow, causing your refrigerator to work harder to cool. This can increase the noise frequency and volume. You should clean the condenser coils every few months because they can become clogged with dust and other debris.

how to reduce refrigerator noise

Inspect the Evaporator Fan

As we mentioned before, there should be an occasional hum coming from your refrigerator as the fan runs. If the humming is constant or loud, you should inspect the fan and ensure it is free of dirt and debris. The evaporator fan can also become worn over time, and if it is damaged or faulty, it may cause clicking or buzzing sounds.

If you are experiencing noises that don’t seem normal or are excessively loud and constant, call the refrigerator repair professionals at The Appliance Care Company.

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