I am completly opposed to Air-conditions propagandized as a solution to climate change. What is the wright approach to combating this state of temporary relief except from old-fashioned fans? Don’t get me wrong. They do the job for me. I am reffering to finding a solution for people more with health issues or large facilities that are in need of something more drastic.
The best you can do quickly and for free is to close blinds to let a small amount of light in when its hot, and when it’s below 20°, open windows and have as much ventilation as possible. This is easiest and I find that in some rooms it can cool them significantly.