Freezer Maintenance: Simple Steps to Keep Your Freezer Running Smoothly

When your freezer starts acting up, the first thing you notice is the food that’s supposed to stay frozen. A few easy habits can stop most problems before they become costly repairs. Below you’ll find the most practical checks and fixes you can do in under ten minutes.

Check Temperature & Seal

Set the thermostat to a steady 0°F (‑18°C). If the dial is older, use a freezer thermometer to confirm the actual temperature. Anything above 5°F can speed up spoilage and force the compressor to work harder.

Next, run a quick seal test. Close a dollar bill in the door and pull it out. If it slides out easily, the gasket is leaking air. Clean the seal with warm, soapy water and a soft cloth. For stubborn gaps, run a hair‑dryer on low for a minute to soften the rubber, then press it back into place.

Clean & Defrost Regularly

Ice buildup reduces airflow and makes the freezer run longer. Defrost whenever the layer reaches about a quarter‑inch. Unplug the unit, remove the food, and place towels on the floor. Let the ice melt naturally or speed it up with a bowl of hot water placed inside. Once dry, wipe the interior with a solution of half water, half vinegar to prevent odors.

Cleaning the coils is another game‑changer. Locate the condenser coils—usually behind a panel at the back or underneath the unit. Use a vacuum with a brush attachment to clear dust and pet hair. Cleaner coils keep the compressor cool and cut electricity use.

While you’re inside, check the freezer’s level. An uneven floor makes the door swing open, letting warm air in. Adjust the legs or place shims under the base until it sits flat.

If you notice strange noises, excessive frost, or the freezer isn’t staying frozen, it’s time to look deeper. A humming sound can mean the fan is stuck, while a clicking noise often points to a relay problem. In those cases, a quick visual inspection of the fan blades and a reset of the circuit breaker can sometimes restore function.

Food safety matters, too. When the power goes out or the freezer stops, keep the door closed. A full freezer can hold its temperature for up to 48 hours; a half‑full one only about 24 hours. Use a thermometer to decide if food is still safe—anything above 40°F (4°C) should be tossed.

Finally, schedule a professional check at least once a year. A technician can test the sealed system, refrigerant levels, and electrical components that are hard to assess on your own. Regular service catches wear before it turns into a total breakdown.

By keeping an eye on temperature, seals, ice build‑up, and coil cleanliness, you’ll extend your freezer’s life, save on energy bills, and protect your meals. If any step feels beyond your comfort zone, give Bridgewater Appliance Fixers a call—we’re just a phone call away and ready to get your freezer back on track.