Original it is not, because even my grandma (and many others) has used before the Second World War a similar process with a box and straw and / or old pillow for the same purpose.
Ecological sense he is not because he used for the isolation no natural materials, but Styrofoam or polyurethane granules. It's great if that stuff gets into the environment. Or thinks about someone to a functioning pollutant disposal in Africa?
In Germany we do not need that thing too, because - as mentioned - there are much simpler and more environmentally friendly solutions. Since you can calmly renounce a few percent efficiency, if it makes any difference.
Conclusion: The present invention is not, and on top of that from an environmental perspective a dam ... solution.