Nowadays, it's usually not the lack of aircons that is a problem in greek households. Compared to local wages, energy prices have risen so much that lots of people cannot afford to keep their aircons on.

How are public spaces in greece? Any large "free" sources of AC? Homeless in the US sometimes use this method to avoid severe heat exposure, hanging out in say a mall, public library, airport bag claim, staying underground in the subway system, or riding an air conditioned bus around.