Caeli Energie has invented responsible “aircon” - Grenoble INP - UGA

A nice bit of innovation using thermodynamics to cool the air. Yeah maybe it's not quite what we think of as "ice cold a/c" but applying thermodynamic principles to cool the air efficiently, cheaply, and at a lower cost to the environment is a huge leap forward. 

Caeli Energie has invented responsible "aircon" - Grenoble INP - UGA https://www.grenoble-inp.fr/en/companies/caeli-energie-has-invented-responsible-%e2%80%9caircon%e2%80%9d

And a review 

https://www.philaplace.org/lifestyle/goodbye-traditional-ac-new-technology-uses-5-times-less-energy-and-delivers-4-times-more-cooling-48837/