// 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 […]
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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 […] Cheap Air Conditioning is what Earthtubes (earth-air tubes / earth tubes) are all about! You can build your own earth tubes for passive cooling/natural cooling for about $150 per tube. They can completely replace your air conditioner(s) on your home, provided you follow some important steps and make them correctly. Earth Tubes We […] Is there a difference between an “oven” and a “cooker” for solar cooking? Solar “oven” 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. Solar “cooker” Also, it is generally […] The paper below is something I researched and wrote about at age 19 in college, and although we have made great strides in technology since then, I am amazed at how relevant the information still is in 2015, some 25 years later (boy am I starting to feel old, haha). However, I definitely have a […] Harnessing our sun’s solar energy There is but one sun in our solar system, but there are many, many ways to harness its power. Plants harness it via photosynthesis, giving off oxygen for us to breathe, and food for us to eat. This energy goes into our bodies, and animals’ bodies providing nutrients, and then […] Do you complain about how high your heating and cooling bills are? If so, then your house is probably designed all wrong. House design blunders can force you to spend hundreds upon hundreds of dollars every single season of every single year in utilities… money that could otherwise be going into your pocket. Why is […] |
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