Net Zero Energy Re-Skinning with Style

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Recently, Zerofootprint held a global competition to reward market-disruptive improvements in the design and development of retrofitting and re-skinning technologies.  To be eligible for the ZEROprize, projects had to be built with reinforced concrete construction between 1945 and 1990.  Also, energy required to power all amenities, cooling, heating, and lighting must be on used on a net zero energy basis.  After the jury deliberation, 355 Eleventh in San Francisco was able to take top honors. 

[Overall Winner] 355 Eleventh, Aidlin Darling Architects

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As part of the renovation of 355 Eleventh, an old steel cladding exterior was replaced with a perforated, corrugated skin with openings to allow both light and air, while still controlling solar heat gain.  Behind the skin, the building was outfitted with new, operable windows, and the double-skin facade helped qualify the structure for LEED Gold certification. 

[Large Residential] Gesobau AG by DAHM Arch.

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This Gesobau AG re-skinning enhanced energy conservation and resulted in energy savings of 71% as compared to previous loads.  During renovation, the heating and hot water systems were converted to environmentally friendly systems. 

[Large Commercial] Sparkasse Vorderpfalz by Thiemo Ebbert

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This headquarters building for a regional bank in Germany underwent a three-year re-skinning that involved the improvement of the load-bearing structure and the removal of the prior cladding.  Energy performance has improved by 64%, and the renovated building now carries a local green building certification.

[Small Residential] Now House by Work Worth Doing Studio, Lorraine Gauthier

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This 60-year old wartime house in Toronto received an overhaul of foundation walls, basement floor, roofing, exterior walls, windows, electrical systems, lighting, HVAC, ventilation, and water heating — all of which resulted in energy savings of about 70% per year. 

[Future of Re-Skinning] Sydney Tower by LAVA

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The Laboratory for Visionary Architecture has proposed to re-skin the University of Technology Sydney with a translucent cacoon skin that can generate energy with embedded photovoltaic cells.  The skin, which could be applied cheaply, would also collect rainwater and improve daylighting at the same time. 

Media credits: Zerofootprint


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