The invention is effectively just an evaporative cooler for the tent. The unique aspect is using the tent fabric itself as the wick. It will have all the same

The invention is effectively just an evaporative cooler for the tent. The unique aspect is using the tent fabric itself as the wick. It will have all the same limitations as all evaporative coolers. It will work very well in a dry climate, but will not cool much (if not make things worse) in a humid environment.