Nice ideas here.
The first video seems to be a concept based video. The cost is going to be huge if it has to occupy 500 square meters and with 1MWatt wind turbines, I did not catch the amount of energy from the solar panels.
The second video seems to be a complete unit, however what is not discussed is the amount of energy required to get the water from the air, and the actual cost of the unit.
Effectively this is a refrigeration system, which cools the air to cause the water in the air to condensate. The more humid the air the more effective the system is.
Hmmm interesting to find out the cost per litre
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