Low cost & low energy air conditioning

Stay cool while reducing your electric bill.  Place a plastic gallon jug filled two thirds with water in the freezer with the cover off.  In an open window, place a fan blowing into the room you want to cool.  Place a 9 x 13 pan on table in front of the fan and put the frozen jug of water in the pan.  Turn on the fan and be amazed at how cool you'll stay with a fraction of the energy a conventional A/C would cost.   Note: additional benefits are that your freezer will run more efficiently filled with these gallon jugs and, in a power outage, they will help your refrigerated and frozen foods stay cold longer.