We built an air conditioner for under $20. Here’s how.
Get a small electric fan. We found this one for $10 at a local dollar store.
Get some PVC pipe at any hardware store. Less than $2.
Foam cooler for holding the ice:
Duct tape. Because every project needs duct tape:
Knife for cutting holes in the foam cooler:
Cut a hole large enough for the fan and PVC pipe and tape ’em down:
Turn on the fan and feel the ice-cold air coming out the PVC pipe. In our test the air coming out got down to about 62 degrees! Now check out the video.