This video shows the build of a Simple Homemade Air Cooler using a Used Tropicana half gallon Juice carton.This desktop sized unit works very well and couldn’t be simpler to makeThis is made using made a “half gallon” (specifically 59oz./1.75L) juice carton, 80mm DC fan (blue-lit), 1.5″ PVC pipe coupler and a 3/8″ square wooden dowel.It holds about 2 ice-cube trays worth of ice at a time (and it has a built-in drain! so as ice melts you can drain the ice-water into a glass for a cold drink).
Thisonly took me 10 minutes to make it. cost about $8.50.This can be run using a 12v solar panel (2.4 watt or higher), a 12v battery or wall current (just use an ac to dc transformer that puts out 12vdc).
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