How to Build an Air Conditioner at Home This summer, if you can't beat the heat on your own and can't afford to buy a pre made air conditioner why not consider building your own air conditioning unit. Using some basic refrigeration techniques you can build your very own personal AC unit out of materials that will cost you less than $40.

What you will need to build your own Air Conditioner:
Copper Pipe
Fountain Pump Kit
Zap Strap Fasteners
Styrofoam container
Ice Water
House Fan
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