Kloben Source: http://www.salamcentre.emergency.it/It/002/004/003/Pannelli+solari.html The air exchange volumes required in the Salam Center are impressive: every hour it is necessary to cool 28,000 cubic meters of air. The use of traditional systems for conditioning the hospital would have involved a considerable consumption of electricity or fossil energy. The Center is therefore equipped with a plant that uses 288 vacuum- packed solar collectors (covering 900 square meters) and produces 3,600 kilowatt - hours - the equivalent of combining 335 kilos of diesel - without introducing carbon dioxide into the atmosphere. Each solar collector is composed of copper pipes for water circulation; the copper part is housed in glass tubes with a vacuum chamber, which allow the sun to heat the water

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