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Advantages:
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Year long use
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Independence from the price of energy
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Easy integration into building architecture
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Higher efficiency - selective coating
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Anti freeze
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Heat absorption even in overcast weather 150 to 200W
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High resistant borosilicate glass of the vacuum tube - sustainable to 35mm hail or any atmospheric influences
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SRCC, EN 12975, TUV, QAC, DIN i SPF protocol (Swiss Reperswill)
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High undepressure insulting 10 -5 Ра
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Appliances of SEIDO vacuum tube collectors
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