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How to Clean Refrigerator Coils (And Why It Matters)

Fri Apr 10 2026

  • Tips & Tricks
  • Refrigerators

Your refrigerator works around the clock to keep food fresh, but one of the most overlooked maintenance tasks is cleaning the coils. Over time, dust, pet hair, and debris can build up on the condenser coils, reducing efficiency and forcing your appliance to work harder than necessary.

Understanding how to clean refrigerator coils is an easy way to improve performance, reduce energy consumption, and extend the life of your appliance.

If your refrigerator is struggling to maintain temperature or your energy bills are increasing, dirty coils could be part of the problem.

Key Takeaways: Cleaning Refrigerator Coils

  • Cleaning refrigerator coils improves energy efficiency and helps lower utility bills

  • Dirty coils force your refrigerator to work harder, increasing wear and tear

  • Refrigerator coil maintenance should be done every 6-12 months

  • Learning how to clean refrigerator coils is simple and requires minimal tools

  • Regular maintenance can extend the lifespan of your refrigerator

 

 

What Are Refrigerator Coils and What Do They Do?

Refrigerator coils, also known as condenser coils, play a critical role in the cooling process. These coils release heat that is removed from inside the refrigerator, allowing it to maintain a cold internal temperature.

Coils are typically located:

  • On the back of the refrigerator

  • Beneath the unit behind a protective panel

When these coils become covered in dust or debris, they cannot release heat effectively. This causes the refrigerator to work harder to maintain proper temperatures.

 

Why Cleaning Refrigerator Coils Matters

Neglecting refrigerator coil maintenance can lead to several issues that affect both performance and efficiency.

Increased Energy Consumption

Dirty coils reduce the refrigerator’s ability to release heat. As a result, the compressor must run longer and more frequently, increasing energy usage and raising utility bills.

Reduced Cooling Efficiency

When coils are clogged, your refrigerator may struggle to maintain consistent temperatures. This can lead to uneven cooling or food spoilage.

Shortened Appliance Lifespan

Excess strain on the compressor can lead to premature wear. Regular cleaning helps prevent unnecessary stress on internal components.

Higher Risk of Repairs

Over time, poor maintenance can result in costly repairs. Cleaning coils is a simple preventative step that helps avoid these issues.

 

How Often Should You Clean Refrigerator Coils?

For most households, cleaning refrigerator coils every 6 to 12 months is sufficient.

However, you may need to clean them more frequently if:

  • You have pets that shed

  • Your home has high dust levels

  • The refrigerator is located in a high-traffic area

Regular inspection can help you determine when cleaning is needed.

 

 

How to Clean Refrigerator Coils: Step-by-Step Guide

Learning how to clean refrigerator coils is straightforward and requires only a few basic tools.

Step 1: Unplug the Refrigerator

Before starting, unplug the refrigerator to ensure safety. This prevents electrical hazards while cleaning.

Step 2: Locate the Coils

Check your refrigerator’s manual if you’re unsure where the coils are located. Most are either:

  • Behind the unit

  • Underneath, behind a removable grille

Step 3: Remove the Access Panel

If your coils are located underneath, remove the front grille or panel carefully.

Step 4: Use a Coil Brush

A refrigerator coil brush is designed to reach between the coils and loosen dust and debris.

Gently brush along the coils to remove buildup.

Step 5: Vacuum Debris

Use a vacuum with a hose attachment to remove loosened dust, pet hair, and debris.

Make sure to vacuum the surrounding floor area as well.

Step 6: Replace the Panel and Plug Back In

Once cleaning is complete, reattach any panels and plug the refrigerator back in.

Your appliance should now run more efficiently.

 

Signs Your Refrigerator Coils Need Cleaning

Not sure when to clean your coils? Look for these common signs:

  • Refrigerator feels warmer than usual

  • Motor runs constantly

  • Higher-than-normal energy bills

  • Dust buildup visible near vents or under the unit

Addressing these signs early can prevent bigger issues.

 

Tools You’ll Need for Refrigerator Coil Maintenance

Cleaning refrigerator coils doesn’t require specialized equipment. Most homeowners can complete the task with:

  • Coil cleaning brush

  • Vacuum with hose attachment

  • Soft cloth or rag

These simple tools make it easy to maintain your appliance regularly.

 

Additional Tips for Maintaining Your Refrigerator

Beyond cleaning refrigerator coils, there are a few additional steps you can take to keep your appliance running efficiently:

  • Keep the area around the refrigerator clear for proper airflow

  • Check door seals for tight closure

  • Avoid overloading shelves

  • Set the correct temperature (typically 37-40°F for the fridge, 0°F for the freezer)

These habits work together to improve overall performance and longevity. For more information on appliance maintenance, check out our Appliance Maintenance 101 blog.

 

When to Consider Replacing Your Refrigerator

While coil cleaning helps extend appliance life, there are times when replacement may be the better option.

Consider upgrading if:

  • Your refrigerator is over 10-15 years old

  • Repairs are becoming frequent

  • Energy bills remain high despite maintenance

  • Cooling performance is inconsistent

Newer refrigerators are designed with improved energy efficiency and advanced features that can help reduce long-term costs.

 

The Long-Term Benefits of Refrigerator Coil Maintenance

Taking the time to perform routine refrigerator coil maintenance offers several long-term advantages:

  • Improved energy efficiency

  • Lower utility bills

  • Better food preservation

  • Reduced repair costs

  • Extended appliance lifespan

This simple maintenance task can make a noticeable difference in how your refrigerator performs over time.

 

 

Shop Refrigeration at Kelly’s Appliances

Keep your refrigerator running efficiently with regular maintenance, or upgrade to a newer, energy-efficient model at Kelly’s Appliances. If you're ready to upgrade or replace your refrigerator, Kelly’s Appliances offers a wide selection of modern models and configurations, including French door, side-by-side, top mount, bottom freezer, built-in, and more.

Our team can help you find a refrigerator that fits your kitchen, lifestyle, and budget. Visit one of our showrooms in Salem, Corvallis, Central Point, or one of two Eugene locations on W. 7th Avenue and Green Acres Road, to find the perfect refrigeration solution for your home.

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FAQs: How to Clean Refrigerator Coils (And Why It Matters)

How often should I clean refrigerator coils?

Most homeowners should clean refrigerator coils every 6-12 months, though homes with pets may require more frequent cleaning.

Can dirty coils really increase energy bills?

Yes. Dirty coils force the refrigerator to work harder, which increases energy consumption and raises utility costs.

Is cleaning refrigerator coils difficult?

No. Cleaning coils is a simple process that typically takes less than 30 minutes with basic tools.

Where are refrigerator coils located?

They are usually found on the back of the refrigerator or underneath the unit behind a removable panel.

What happens if I don’t clean my refrigerator coils?

Neglecting coil maintenance can lead to reduced efficiency, higher energy bills, and potential appliance failure over time.

 

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