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6 years ago No Comments

(pronounced ERTH toobz)

Earth tubing is a zero-energy, geothermal solar heating and cooling system that is low-tech and sustainable. Also known as earth-air heat exchangers, it works by having filtered fresh air enter a

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(pronounced ERTH-shihpz)

An earthship is a term used to describe a home built with materials available in one’s local area, cutting down on the fossil fuels and energy required to get the materials to

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(pronounced EE-stern keeng) See California