If the Mad Hatter was a woman...
The $1000 Solar Water Heating System
Greg's Pop-Can Solar Space Heating Collector
klimrek betonijzer gelast
I'm intrigued by the organic yet architectural feel of these metal supports and the overall pergola arrangement.
A rocket stove with a heat capture water coil for efficient water heating, distillation and purification for drinking.
wood stove hot water - Google Search
DIY: Make Your Own Hot Tub
How To Build A Wofati Log Cabin - no need for heating or A/C, up to 3 times faster to build and up to 5 times lower in cost... #diy #homesteading