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Hey @foxkoit I tell you from my experience, there are many factors all depend on the climate where you make the installation of a container and according to that there are different realities and options.

In our case we are in a mountainous area with cool and cloudy weather between 08 to maximum 29 degrees this high temperature was in the global hot season. There are trees that help us with their shade to mitigate the direct sun , there are also many air currents that we make the most of with windows🪟 and wide doors that reduce the temperature 🌡️ and maintain a cool climate with the air currents 🌬️

We want to leave a good part of the container in sight with its original style, but some areas that if we coat inside and outside with a green wall 🌿.

Everything will depend if it is a very hot area ♨️ or even very cold 🧊 there is mandatory insulation , like any other house that are built in areas of extreme temperatures.

In our case with a roof and good ventilation we have an ideal space to live in due to the temperature because here we only have one dry season and two rainy seasons.

I hope you find my answer helpful 💚 . Greetings from Venezuela 🇻🇪

Si :) ..... I see what you mean ... Thank you!!
It is just hard to text back and ask more , you just was say all what I need.