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You have a container or you want a container, but you are thinking about vents, venting or managing air flow in your container. We have 4 different options to accomplish your different goals – go with the basic vents pre-installed on your container, louvered vents, turbine vents and heat/AC units.
1. The pre-installed container vents. Containers come with passive vents already installed on them. They are passive vents that are triple-screened to prevent insects from hitching a ride in your container. They also allow for pressure changes when the weather changes quickly. Most 20’s come with two vents – one on each side of the container, one by the door and one by the front (non-door)
end. These take care of most venting needs as that is all that is necessary when shipping in containers. However, they do not encourage air to flow throughout the container.
2. Louvered vents. Louvered vents can be added into the container when you need more air flow. This can be because of cooling the container, because you’ll be spending time in there and just want a nice breeze, or because you want to combat
excessive moisture from building up in your container. If you go this route, we recommend putting two of them in the container – one on either side of the container and put them on opposite ends of the container to encourage as much air flow as possible.
3. Turbine vents. If you really have moisture problems, you may want to consider a turbine vent. The twirly ones that you often see on roofs. Moist air moves up and less moist air comes down, which makes the vent turn and then pull more moisture up and out of your container. That is the great bonus of them. The downside of turbine vents is that is can also allow moisture back into
your container when it rains heavily, or during heavy snow melts. If you clear snow off of the roof of your container, you’ll lessen this. Also, in order to install a turbine vent, you are cutting a hole in the roof of your container.
4. Heat/AC units. If you aren’t as worried about air flow from outside getting into your container, but you are more interested in the temperature of the air, consider a heat/AC unit. One 12,000 BTU unit can keep a 40’ container that has been insulated nice and toasty warm in a cold Midwestern winter. They can also cool a container right down in super
hot weather. If you go this route, make sure you put a cage around the unit on the outside of the container. It will keep people from popping out the unit and getting access to your container.
In a shameless plug, we do sell these 3 additions to containers that you can do yourself. They come with framing that fits into the corrugation of the container and the vent or HVAC unit. The HVAC unit comes with the cage.