Routine maintenance helps your refrigerator run more smoothly, so it uses less energy. Clean the condenser coils regularly to help the sealed system cool down the refrigerator efficiently. The compressor won't run as frequently if you keep those condenser coils clean. Adjust the refrigerator door to prevent air leaks into the refrigerator and freezer compartments. Air leaks cause frost buildup on the evaporator, which interrupts airflow and causes cooling problems.
Routine maintenance can also help prevent odor problems. Clean the inside of the refrigerator so spills don't build up and cause smells. Adding an air filter also can reduce
refrigerator smells. Clean the drain pan under the refrigerator regularly because that pan can attract bugs or residue that causes odors.