I came across the desert twin water producer when search for ”water from air desert”. Hmm. Two parts. This sounds like a two part air conditioner with refigerants.
I think you can run an air conditioner on solar power these days. So you have one part for lowering the temperature for water extraction and one for removing heat from the process. Like an air conditioner. The idea was to build something upon availible technology to make it cheaper.
Thanks Google image AI for presenting me this desert twin image and http://sunglacier.nl/desert-twins-in-sahara