Every little bit helps.  BUT, this is a little bit.  Not too expensive, but also does not really produce "sustainable" amounts of water for even moderate numbers of people.  As noted by the promoters, it is a 'niche' application similar to solar cells for remote power where nothing else is available.  Note also the 64% relative humidity that is needed for nominal operation.  For MOST of the year, that condition does not exist in much of the Middle East.  https://weather-and-climate.com/average-monthly-Humidity-perc,dubai-ae,United-Arab-Emirates

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Every little bit helps.  BUT, this is a little bit.  Not too expensive, but also does not really produce "sustainable" amounts of water for even moderate numbers of people.  As noted by the promoters, it is a 'niche' application similar to solar cells for remote power where nothing else is available.  Note also the 64% relative humidity that is needed for nominal operation.  For MOST of the year, that condition does not exist in much of the Middle East.  https://weather-and-climate.com/average-monthly-Humidity-perc,dubai-ae,United-Arab-Emirates