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Pry a peltier unit+heatsink combination from any electrically cooled cooler, and stick a fan in front of it for an easy A/C. The peltier unit uses no freon/yuck stuff, it functions by getting cold on one side and very hot on the other. If you heatsink the one side, it dissipates the heat, and thus has net cooling. Most units are to be found with the heatsink attached (that is, if you pry it out of something sold as a cooler) but you could easily buy a PC heatsink unit from any computer parts supplier.
That said, there is much to be had in PC cooling supplies. I wonder if anyone would make an AC out of them, as the supplies all draw from a PC power supply, which in turn could be attached to a normal outlet, which could have power drawn from any obtainable solar panel.
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