[azernik]

It looks like a construction-site power generator - big ol' metal cube. http://www.skysource.org/products/

Technical implementation is claimed to be 'adiabatic distillation' - not sure exactly what that means.

[explorigin]

It means that it uses refrigeration to make it rain (maintain a dewpoint temperature) in a small chamber instead of just grabbing the condensation dripping off the refrigeration coils.