Houses a lot of energy need are out. Passive houses are only sparing, however, generate no energy. Only plus energy houses can protect our prosperity in future.
| Business premises and office house solar ship
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The business premises and office building guard the settlement of row houses situated behind it from the street noise of Merzhauser-street.
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| Row house to the electric power production
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The shade on the row house comes from the solar ship. This shadows the settlement also from the street noise of Merzhauserstraße. The whole roof is photovoltaic.
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| Roof as a moveable economic property
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The photovoltaic roof is so easy to mount and dismantle that it can be seen as a movable economic property. No land transfer tax for the roof.
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