1. Clean the Coils

Although you may not be able to see the coils, keeping them free of dust, debris, and pet hair really does help the refrigerator operate more smoothly and efficiently. The coils are usually located at the bottom of the unit or in the back. You may have to remove a grill to get to them, but usually that just involves snapping off a plate or removing a few simple screws. If your unit’s coils are in the back, you may have to roll or move the unit away from the wall, which also gives you the chance to clean the floor underneath the fridge. You can purchase a special coil-cleaning tool for the job, but a vacuum cleaner attachment or a stiff brush can also do the trick. Just run the vacuum or brush over and under the coils, removing dust as you go. Clean the condenser fan, too. The coils should be cleaned in this manner once or twice a year, and more often if you have pets that shed.

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2. Maintain the Temperature

Check the temperature often in both the refrigerator and freezer sections of your unit. This is important for food safety as well as for helping the fridge run efficiently. The refrigerator compartment should be around 37 to 40 degrees Fahrenheit and the freezer section should be set at zero degrees Fahrenheit. If you have an older model or if you suspect that your fridge or freezer isn’t cooling correctly, you can purchase an inexpensive refrigerator thermometer at most hardware and home improvement stores.

3. Check the Gasket

If your gasket isn’t sealing well, cold air can be escaping, which makes the unit work harder and use more energy to maintain the right temperature. Inspect the gasket frequently for signs of wear and tear. If it’s cracked or deteriorated, you should replace it to avoid refrigerator problems. As a part of your fridge maintenance routine, be sure to clean the gasket regularly with warm, soapy water to help prevent crumbs and spills from harming the seal.

4. Change Filters

Many people don’t realize that refrigerator ice makers and water dispensers usually have filters that need changing. Check your manufacturer’s instructions for specific recommendations and replacement information for your model. Keeping the filters changed will help keep your icemaker and water dispenser clean and will help these components run efficiently. A good way to remember to change your fridge filters is to do it when you change other filters around your home.