Build Your Own Soda Can Solar Heater. Perfect for heating a Greenhouse or a small garage The basic premise of the project is to build a simple box out of some stack a hundred or two black-painted soda cans inside with some adhesive, and stick a.
Complete step-by-step instructions on building a home-made alcohol ultralight stove from a soda can. These work well on the trail. Boils a pint of water in just over 4 minutes on just a half-ounce of alcohol.
Instructables user, TheNaib, has written a tutorial on how to create a solar thermal water heater for under five dollars. It will involve a fair amount of DIY, but nothing too complicated. designed as a fun project, but with some tweaking it could