A refrigeration expert reveals this simple habit that prevents ice buildup in freezers

January 19, 2026

As the winter chill settles in, one common household woe becomes particularly irritating: ice buildup in freezers. While it’s essential to keep freezers cold for food preservation, excessive frost can hinder efficiency and disrupt the cooling system. Fortunately, a simple habit, shared by refrigeration experts, can significantly mitigate this issue and enhance energy efficiency.

The key lies in maintaining consistent temperature control. For frost-free performance, keep your fridge set between 3 to 4 °C (37 to 40 °F), and your freezer at a brisk -18 °C (0 °F). These temperatures prevent excess humidity from entering the appliance, thereby reducing frost formation. It’s equally important to limit how often the freezer door is opened—each time it’s ajar, warm, moist air rushes in, leading to unwanted ice accumulation.

Effective Maintenance Strategies

Regular maintenance, including checking the door seals, is crucial. Damaged gaskets allow humid air to seep in, exacerbating ice build-up. Inspect the seals for any tears or gaps, as even a small defect can lead to significant issues. Replacing a faulty gasket is an easy fix that will improve the appliance’s seal and overall performance.

Equally vital is periodic defrosting. If your freezer is accumulating frost, unplug it and let the ice melt away. You can place all items in a cooler to preserve their temperature. Use this opportunity to clean the appliance thoroughly—discard any expired items and wipe down the shelves. This practice not only clears existing ice but also helps avoid future buildup.

Smart Organisation and Food Handling

Beyond temperature and maintenance, food organization plays a pivotal role in preventing ice accumulation. Avoid overfilling the freezer, which can obstruct airflow around cooling mechanisms. Properly store items in designated drawers and across shelves to maintain optimal airflow.

Additionally, allow hot foods to cool down before placing them in the fridge or freezer to minimize moisture. Even moist food packages can introduce humidity. A quick pat down with a towel can go a long way in keeping your appliance frost-free.

Dealing with Existing Ice Buildup

In cases where ice has already formed, tackle it proactively. Use a gentle method, such as soaking a cleaning cloth in warm sudsy water to soften and remove ice. Applying hot water directly to ice will expedite the melting process—just ensure no sharp objects are used that may damage the freezer lining.

By cultivating these habits—routine checks, conscientious food storage, and timely defrosting—freezers can remain in optimal condition throughout the colder months. The takeaway is clear: minor adjustments in daily routines can have significant lasting impacts on both appliance performance and efficiency.