The top of the refrigerator often becomes an easy storage spot, but it isn’t ideal for everything. One of the biggest reasons is heat. Refrigerators release heat while running, and the area above them can become warmer than the rest of the kitchen. This makes it a poor place for foods that are sensitive to temperature, including bread, chocolate, cooking oils, wine, and certain medications. Extra warmth can shorten shelf life, change texture, or reduce quality.

It’s also smart to avoid keeping heavy appliances or breakable objects on top of the refrigerator. Reaching overhead for a blender, glass container, or heavy pot increases the chance of dropping it. Items can also shift slightly when the refrigerator vibrates. Paper products, cookbooks, and cardboard boxes may collect grease and dust, while too much clutter near ventilation areas can interfere with airflow on some refrigerator models.

Another commonly stored item is cereal or other packaged food. Although sealed packages aren’t automatically unsafe, repeated exposure to warmth can cause certain foods to go stale faster. Pet food and treats can have the same problem, especially if they are stored there for long periods.

The top of your refrigerator can still be useful for storage, but lightweight, nonperishable items are generally the better choice. Before piling things up there, check your refrigerator’s manual for ventilation requirements and leave enough open space for heat to escape properly.