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Solar Water Heating and Rainwater Towers in Florianópolis, Brazil (2009)
This report was written by the Laboratory for Energy-efficiency in Buildings (LabEEE), Department of Civil Engineering, University of Santa Catarina, Brazil. It focuses on solar water thermal heating and rainwater towers that were installed in affordable housing for low-income citizens of Brazil.
According to the report, since 2003, around 250,000 rainwater tanks have been provided to families in need. These rainwater tanks are installed alongside solar thermal water heating that creates hot water for use in the home. The tanks are 1,000 liters, twice what is necessary for daily consumption, and generally situated above the house so that gravity can do the work. The solar collector is attached to the water tank, to best angle it towards the sun.
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