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How to Ensure Your Shipping Container Has Proper Ventilation

There are several uses for shipping containers. For example, they can be used to transport goods across the ocean no matter what the weather is. While inside containers, goods cannot be exposed to corrosive saltwater!

How to ensure your shipping container has proper ventilation

Ventilation is essential to consider when you are considering purchasing a shipping container. A shipping container as a living space can be problematic if it’s not properly ventilated. A vital aspect of building a container home is ensuring the ventilation and insulation are installed correctly so you can live in comfort.

Here is some information on how and why shipping container ventilation is important.

Does your shipping container need to have ventilation?

It is essential to ventilate containers properly, especially when storing moisture-sensitive items or extreme changes in weather occur. There will usually be ventilation holes in shipping containers. However, these holes alone won’t suffice. The best way to ventilate is to use intake vents, louver vents, or even a window.

Lack of ventilation in containers is problematic, especially during seasonal changes.

Lack of Ventilation Increases Risk of Fire or Explosion

  • When exposed to the sun, steel easily absorbs heat. The container will emit toxic fumes during a temperature surge and feel like a sauna or toaster.
  • The chances of a fire or explosion are increasing as temperatures rise.
  • There are severe health risks such as air pollution and diseases that affect humans.
  • In containers containing paints or thinners, lack of ventilation can result in air poisoning and fumes. Any contents in the container would risk damage, and of course, any people could be seriously harmed.
  • It is important to install ventilation, such as air conditioning. Patients suffering from conditions like nausea, dry eyes, asthma, and respiratory ailments are at great risk for contracting them without adequate ventilation.

Moisture Can Damage Inventory and Other Stored Goods

  • Due to condensation, plants, foods, and other perishable items can grow mould and mildew. Water can also cause your electronics to rust.
  • Mould develops primarily due to condensation when moist air meets with cold surfaces.
  • Water vapour can turn into liquid even in small amounts when it hits the surface.

Rust Will Develop on Your Steel Container

Rusting can be caused by an accumulation of condensation due to humidity. This will require extensive repairs in metalwork. It is extremely uncomfortable and unhealthy to work in shipping containers that lack adequate ventilation.

Ventilating a Shipping Container: What You Need to Know

Determine if ventilation is necessary for your needs and select the best option.

Is it best to use a side vent or roof vent?

If you intend to live inside the shipping container, you need to ensure you have access to air. Side and roof vents are both good options. A side vent is the cheapest way to ventilate the container, and it provides easy access to fresh air.

The best way to ensure that the container is adequately ventilated is to have at least two vents. Adjust one to a high setting and the other to a low.

Turbine vents, also known as whirlybirds, are commonly installed on shipping container rooftops.

Is a roof vent important?

Some people may be satisfied with the one vent installed in the container. The triple-layered screen on a container vent will prevent insects and other pests from entering the container. Depending on the climate of your region, you might not need intake vents in some cases.

What would be the number of vents needed? Your container size determines the number of vents required. As each vent is added, more air is let in.

Here are some ventilation products that fix heat and moisture issues:

1. Vent Kit by CON-VENTS

It is an effective product that prevents moisture from building up in shipping containers. This device includes two cross-ventilation vents at either end. It covers an area of 20 feet.

These can be placed where you prefer, such as a side door or window. The perforated screen protects against bugs if you have an insect problem.


  • The screen keeps out insects and rodents
  • Prevents excessive condensation on windows
  • Even in the absence of wind, it provides better circulation


  • Cannot attach to roof or ceiling
  • Vents may need to be added depending on sun exposure

2. Conex Container Solar RoofBlaster

Solar roofblasters can be powered by a 3W solar panel and are exclusively designed to fit Conex shipping containers. Plastic vents are often brittle with age. Roofblasters are made of metal and are constructed to last much longer.

The roofblaster vents will release cool air when it enters the intake vents.


  • Design for long-term use
  • Air is uniformly moved
  • Excess heat is removed from storage goods by the fan.


  • Neither an on/off switch nor a thermostat is included in the fan.

3. Big Air 45 Louvered Gable Vent

The Big Air 45 is extremely useful for customers regarding side ventilation. Laser-cut aluminum creates a strong frame, and UV-resistant polypropylene ensures durability.
Insects are also kept out with the inclusion of a bug screen. Using this vent, bugs can’t fly into the house, and excess condensation can’t form.


  • Rust does not penetrate the aluminum frame
  • UV-resistant
  • You can install the parts anywhere the container needs them, such as a door or side


  • The price is higher than others


The addition of a vent system is essential to increasing airflow inside your shipping container home and protecting its contents. If there is no ventilation in containers, things will rot, and the goods will be ruined.

The result will be that you’ll need a lot of money spent on repairs and reinstallation. You should never take chances. Most vents can alleviate overheating and condensation in shipping containers.

Panels and parts are supplied by professionals who complete the installation process on time to assist you with your needs.

Besides installing vents, you will also need a dehumidifier and fans to keep the entire space cool, especially in warm climates.

A well-fitted vent system throughout the unit ensures that you get a natural airflow once the purpose of your container has been clearly defined. People will be comfortable, and valuables will be protected in this way. Fresh air will always flow into and out of the container if a ventilation system is in place.

For information about Secure Shipping containers in Toronto, call Secure Container Solutions for more information at 647-560-2745 or contact us here.

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