I've not had a/c for the past 2 summers and doubt that I will have a/c next summer or even the year after, so I'm aiming for cooling that will be sufficient for indoor ambient temps upwards of 90 ...

I feel rude registering just to post a request for help on the forum here, but I'm at a loss. I'm pretty good at fixing 90% of software problems, but I'm no techie, I just got good by the necessity of ...