The use of renewable energies is omnipresent today and thanks to the research and development of new technologies can be found in almost all areas of life, including in the field of building and construction and their architecture.
Vacuum tube collectors with boiler, China
Solar thermal from Brazil
In 2003, the NGO "Sociedade do Sol" developed an easy-to-build and affordable solar heating system for every household. In 2007, this solar system was also adopted as “standard” in social housing in other federal states in Brazil.
Developed in Germany, the vacuum tube is today inexpensively produced in China and sold worldwide. Including a 100 liter stainless steel tank, a complete system can be bought for just 150 euros. The only cheaper way is with the ASBC, which translates the low-price solar theater from the ONG (NGO) Sociedade do Sol from Sao Paulo. Instructions for manufacturing that are easy to understand for everyone can be found here.
Hydraulic press for the production of unfired bricks
The freshly pressed mud bricks with approx. 5% cement are watered and dried in the sun. This process is repeated 3-4 times. After 4-6 weeks, the new bricks are hardened and ready for installation.
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