Earth tubes (earthtubes, or earth-air tubes) are underground tubes that use geothermal energy to cool or heat temper the air for your home. It works like cheap air conditioning because you can build it yourself for several hundred dollars and it is FREE to run (no electricity needed). Being completely passive, this is a sustainable […]
What happens during an emergency such as an earthquake, when a storm or freeze busts pipes and contaminates water, you are hiking or lost, you are stuck out in the ocean, have an old water well (or a shallow well), or are camping and the only water is from a nearby stream? There could be […]
What could be easier than purifying water using the sun? Solar water distillation is an amazingly easy and natural process, and it is fairly inexpensive to build a solar distiller. Stills are FREE to use (using only the sun’s energy), require no electricity to run, plus there are no expensive filters to replace. The distillation […]
Is there a difference between an “oven” and a “cooker” for solar cooking?
Well, although these terms are actually most often used interchangeably, it is generally called an “oven” if you put the food inside the insulated walls of the box, similar to a regular kitchen oven.
Also, it is generally […]
I have built and sold and installed solar water distillers for years. It is a wonderful feeling to build something that can take contaminated or polluted water and turn it into absolutely pure and drinkable, fresh water!
So what is a solar water distiller?
First of all you want to understand how a solar water […]