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How to Clean Your Refrigeration System

Refrigeration systems are the backbones of many businesses and industries that rely on cooling technology. Whether you are a restaurant, pharmacy, or even a homeowner, keeping your perishables cool and preserved is vital for health, safety, and finance.

Dust, debris, and ice buildup can impede your cooling systems’ airflow and strain the unit.  This can lower your system’s cooling capacity and increase the amount of energy it needs to run. Essentially, it will cost more for it to do less.

In this guide, we take you through the essential steps in maintaining your refrigeration system. That way, you can ensure it runs efficiently for longer.

What You’ll Need:

  • Mild detergent: £5–£10
  • Baking Soda: £2–£5
  • Stainless Steel cleaner: (if required) £5–£15
  • Cloths: £3–£10
  • Sponges: £1–£5
  • Vacuum Cleaner and/or Coil Cleaning Brush: Towels or containers for defrosting: £3–£15
  • Damp cloth and water spray bottles: £2–£5


Note: The cost ranges listed here are estimates and may vary depending on brand, quality, and retailer.

1. Unplug The Refrigeration Unit

Before starting, make sure that the system is disconnected from the power source. This makes sure that you are safe and avoids the potential for electric shocks during the cleaning process.

Person finger pressing an on off buttton on a beige fridge.

2. Empty The Unit

Remove all items stored in the refrigerator and transfer perishables to another system. This allows you the space needed to work as well as the ability to clean every nook and crevice. It also prevents the potential contamination of your produce by chemicals during the cleaning process.

fridge being repaired

3. Defrost Your Refrigeration Unit (If Applicable)

If your refrigeration unit has a freezer compartment, defrost it to remove ice buildup. Turn off the freezer and let the ice melt naturally or use a gentle defrosting agent if needed/available Place towels or containers to collect the water for an easy cleanup.

large walk in freezer

4. Clean The Interior

Start cleaning the inside of the fridge using a mild detergent or a mixture of warm water and baking soda. Wipe down the shelves, drawers, and walls to remove any spills, stains, or food residuals.

Afterwards, rinse with clean water and dry thoroughly.

5 Clean The Exterior

Wipe down the outside of the fridge with a damp cloth and a mild cleaning agent. Pay special attention to the door handles and the control panel. These areas are hotspots for dirt and grime to accumulate.

For stainless steel surfaces, use a specialised stainless steel cleaner to avoid streaks.

6. Clean The Condenser Coils

The condenser coils at the back or bottom of the refrigerator are responsible for releasing heat and making sure that the system is adequately cooled.

Dust and detritus can build up on these coils over time. This reduces their efficiency and makes them more expensive to operate.

Use a vacuum cleaner or a coil cleaning brush to remove the buildup gently.

7. Check And Clean The Door Gaskets

Inspect the door gaskets for any signs of wear, tear, or mould growth. Clean the gaskets with a mild detergent to remove dirt and grim that may affect the fridge sealant. Properly sealed door gaskets prevent cold air leaks, saving energy and maintaining temperature consistency.

cleaning fridge gaskets

8. Reconnect The Refrigeration Unit

Make sure that everything is dry first. The whole point of disconnecting it was to avoid shocking yourself. It would be embarrassing (and dangerous) to fail at the final hurdle.

When you are sure that everything is dry, plug it back in and you’re done!

Hand sets temperature of refrigerator

Contact Us

For refrigeration repair, maintenance, and emergency servicing, contact us today. Our team boasts a wealth of experience and expertise, all offered at competitive prices.

To find out more about our services, or to book a free no-obligation consultation, get in touch with our friendly team today.

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