A table fan or box fan will work best but you can use any fan you want.
Homemade swamp cooler box fan.
Turn on the fan and put your bottles in front of it.
Swamp coolers are examples of evaporation heaters.
Set the bottles 6 in 15 cm in front of your fan.
They are essentially fans that blow air through pads soaked with water.
This video demonstrates how cool the air being circulated can be.
They are popular in hot dry climates because they throw cool moist air through a house.
A styrofoam cooler makes a great diy air conditioning box as the holes are easy to cut and the coolers are cheap to buy.
The air will cool down as it passes around the bottles.