solarac.com - system sends power back to the utility most months of the year, when you are not using the electricity for your air conditioning. So, you are reducing your electic bill overall.

Solar powered fans - you can get a small one that fits in your car window to cool the car while it is parked in the sun. You can buy a cap with a little solar panel in it that runs a fan to cool your head.... or, you can get an attic fan that has roof top solar panel to cool your house, or use it in your RV.

http://www.advancedenergyonline.com/catalog/applications/fans.htm (can order from outside the US, too)