The Block” Rocket Stove! – Do it yourself Rocket Stove – (Concrete/Cinder Block Rocket Stove) – Simple Do it yourself How to make a “Four BLOCK” Rocket Stove! Four concrete blocks is all it can take to make it!
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