Breathable facade cools eco-friendly office towers

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We are seeing more examples of architecture that marry sustainability with design, such as these solar energy generating stain glass windows. US-based Gensler have created a passive ventilation system, which 'breathes' to regulate building temperature. The facade of the Tower at PNC Plaza, Pittsburgh OH, works by having a ‘double skin’ where two panes of glass are separated, creating a cavity that fresh air can flow into. When sensors determine weather condition and temperature to be optimum, they open up, cooling the building with fresh air. A solar chimney works in tandem to create a ventilation system — it pulls…

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