DIY Solar Powered Window Air Conditioner: Part 1, Design/Parts/Prototype

Michael E Johnson
9 min readJun 16, 2023
Most of the parts in my test version. I learned a lot!

Cooling and water harvesting will become exceedingly important in coming decades, so it’s imperative we use ambient energy to do some of the heavy lifting. Many water harvesting techniques work on the same principles of air conditioners — when you cool humid air, the water condenses on the cold surface. What better way to study this than to create my own little air…

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Michael E Johnson

Inventor building an iron-based battery for the one billion humans living without access to light once the sun goes down. www.bigattichouse.com