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Using Refrigerated Shipping Containers as Walk-In Freezers: What You Need to Know

In the world of cold storage solutions, refrigerated shipping containers are gaining popularity as flexible and cost-effective options. If you’re a business owner needing additional storage for perishable items, or even someone with personal storage needs, you may wonder if these containers can double as walk-in freezers. Let’s dive into how refrigerated shipping containers work, their benefits for cold storage, and the considerations to keep in mind if you’re thinking about using one as a walk-in freezer.


How Do Refrigerated Shipping Containers Work?


Refrigerated shipping containers, often called “reefers,” are specially designed to maintain a controlled, chilled environment. Equipped with high-quality insulation and powerful refrigeration units, they’re capable of keeping temperatures well below freezing. These containers are frequently used to transport perishable goods, such as food or pharmaceuticals, across long distances.

Their insulation and built-in cooling systems are what make them viable options for both refrigeration and freezing. Many models allow for adjustable temperature settings, which can often range from -25°C to +25°C, making them adaptable to various storage needs.


Benefits of Using a Refrigerated Container


If you’re considering buying refrigerated shipping container, here are several advantages you’ll gain:


  1. Cost-Effective Cold Storage: Building a permanent cold room can be costly and time-consuming. Used refrigerated containers, however, provide a ready-made solution that’s often much cheaper than a custom-built freezer room.

  2. Mobility and Flexibility: One of the key advantages of refrigerated containers is that they can be transported easily. If your business moves locations or has seasonal demand, these containers can move with you. Plus, they’re adaptable to different environments—indoors or outdoors.

  3. Temperature Control and Reliability: Refrigerated containers offer precise temperature settings, meaning you can keep your goods consistently frozen without worrying about fluctuations.

  4. Durability: Designed to endure extreme conditions during transportation, refrigerated containers are robust and built to last. They can withstand various environmental factors, from rain to extreme cold, making them ideal for outdoor placement.

  5. Easy-to-Clean Interior: Refrigerated containers feature stainless steel internal walls and an aluminum T-section floor. These materials not only provide excellent durability but are also easy to clean, maintaining hygiene standards and making them ideal for food storage and other sensitive items.

  6. Resale Value of the Container Structure

    About half of a refrigerated container’s value lies in its durable structure. This means that even if the refrigeration machinery eventually needs replacement or repair int he future, the container itself still holds significant resale value. You could sell the “box” alone for a substantial return if the machinery fails or your storage needs change.



Key Considerations Before BUYING A REFRIGERATED Container

Before making the investment, here are some factors you’ll need to consider:


1. Power Requirements

Refrigerated containers require a consistent power source to maintain freezing temperatures. You'll need a 3 phase, 32Amp power supply, with a 400Volt, 4 Pin Socket.

Make sure your power supply is configured to the marine setting rather than the standard UK domestic setting.


2. Accessibility

Containers designed for transportation aren’t always built with human access in mind. Consider installing lighting, especially if it will be used frequently. Also, a ramp or step might be needed for easy access, as containers are typically raised from ground level.


3. Regular Maintenance

Just like any refrigeration system, refrigerated containers require regular upkeep. Those units may need periodic servicing to prevent costly repairs. Regular maintenance checks will ensure your container stays in optimal working condition for as long as you need it.



reefer vs walk in freezer

Refrigerated containers work exceptionally well as static cold storage solutions, particularly when access is only required occasionally—such as once or twice a day. However, they aren’t ideal for high-traffic environments where people need to enter and exit frequently, as this can make it difficult to maintain a consistent temperature. For operations where freezer doors need to be opened multiple times throughout the day, a traditional walk-in freezer may be a more suitable choice.


Unlike purpose-built walk-in freezers, refrigerated containers are originally designed for product transportation rather than regular human entry. In the UK, many walk-in freezers require specific safety features, such as man trap alarms or internal unlocking mechanisms, to prevent accidental entrapment. Additional features like ice-proof lighting and water-resistant fixtures may also be necessary for frequent access, depending on your usage needs.


It is the user’s responsibility to ensure the container complies with any applicable local or statutory regulations before use. Requirements can vary widely between regions and applications, so it’s crucial to check with local authorities to ensure your setup meets all legal standards for safe operation.




Looking to buy a refrigerated container for cold storage? Contact us today to explore our options and find the perfect fit for your business needs. We’re here to help you make the best choice for your unique requirements!

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