How much space should I leave between items in the fridge for good air circulation?

Date modified: 1st June 2025 | This FAQ page has been written by Pilla Founder, Liam Jones, click to email Liam directly, he reads every email. Or book a demo to see how hospitality businesses use Pilla to manage food safety.
Hospitality industry guidance and best practices

You need to ensure there's adequate space around all sides of items in your fridge, particularly at the back and sides of the unit. This allows cold air to flow freely throughout the fridge, preventing hot spots and maintaining consistent temperatures. Never stack items right against the walls of the fridge. Overcrowding can lead to temperature fluctuations which increases the risk of bacterial growth in your food items.

What about between shelves - how much space do I need there?

You should leave enough space between shelves to allow cold air to move freely up and down through the fridge. If items are touching the shelf above them, this blocks proper air circulation. A good rule is to ensure there's visible space between your stored items and the shelf above.

Common misunderstanding: As long as items fit, they can touch the shelf above without affecting cooling efficiency.

When items touch the shelf above, they can block the airflow needed for even cooling throughout the fridge. This can lead to temperature variations that affect food quality and safety. Always ensure there is sufficient space between stored items and the shelf above to promote optimal air circulation.

Common misunderstanding: Items on higher shelves don't need as much space because cold air naturally sinks.

While it's true that cold air tends to sink, proper circulation throughout the fridge is essential to ensure all areas are evenly cooled. Blocking the space between shelves can create isolated zones with inadequate cooling, potentially compromising food safety.

Does it matter if items touch each other on the same shelf?

Yes, it's important to maintain some space between items even on the same shelf. When items are packed too tightly together, it creates pockets where cold air can't reach effectively. This can lead to uneven cooling and potential temperature danger zones. Make sure there's enough room for air to flow between containers and packages.

Common misunderstanding: As long as the fridge door closes, it doesn't matter if items touch on the shelf.

Closing the fridge door is not an indicator of proper air circulation. When items touch, they can reduce airflow, which is essential for consistent cooling. This can result in uneven temperatures and potential food safety hazards. Ensuring items are spaced out is important for maintaining optimal fridge performance.

Common misunderstanding: The type of packaging doesn't affect air circulation within the fridge.

Packaging type can significantly impact air circulation. For example, tightly wrapped items or sealed containers can obstruct airflow more than loosely packaged items. Opt for storage solutions that allow air to circulate freely to maintain consistent temperatures and prevent spoilage.

UK Official Guidance

USA Official Guidance