Alright, I have phrased my question wrong. English is not my first language and I tend to be a bit absolute. I meant that I am opposed to A/C because I feel that we -as society- have postponed our responsibility towards eco-friendliness. Additionally A/C worsense the heat outside of your house. My conserne was not only about A/C since as pointed out heat-pumps or evaporative coolers can cost (money and energy wise) if not more the same. I made this post to hear thoughts on how we can combat heat collectively and not how as individuals we can protect ourselves temporarily. I found a lot of ideas quite interesting. I believe that small changes could have an impact. So far I think the points bellow would help:

• Implementation of PDRC to large areas of cities
• Planting trees in the cities
• Blocking all sun rays so they don't reach glass windows
• Constructing underground Air conditioning facilities such as those in China (50% more efficient)
• Raise awarness for the significance of drinnking water and so on... I am not completely opposed to technological advancements such as A/C. However I am keen on the aware use for the least hurtful use of it. I believe that Air conditioning by itself is not a viable solution. Sorry for not being more analitical.