Two 40' Containers stacked. This is a typical refrigerated container. Note that the diesel generator set could be used to power the fans. Powerpacks can be purchased which attach to the end of the container. This is a 20' container.
Some containers can be very small.
This is a 6' container which might be perfect for squares or smaller specialty items. This is a typical used 40' Hi-cube container. It shows some signs of wear, but can be painted to look like new, and is generally in good condition on the inside. Hundreds of used insulated vans for sale. Great for conventional and firewood kilns.