Dirty coils hold in heat and make your refrigerator’s motor work harder to cool the inside compartments. Keep coils clean by removing the cover from below the door and vacuuming out the dust that has accumulated. While you’re there, remove the drip pan from underneath the coils. Wash it well, and check the drain for clogs before replacing it.
Vacuum the Back: The idea of pulling your refrigerator away from the wall isn’t exactly at the top of anyone’s to do list, but it can help so much. So much dust and dirt gets trapped behind your refrigerator (especially if you have pets) and this collects on the condenser coils. Once you’ve cleaned them off, the heat from your refrigerator will be able to be carried away without as much resistance, making your cycles run for a shorter period of time.