Eco-friendly exoskeleton cuts apartment building energy use by 60%

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Buildings in Brooklyn, New York, were retrofitted from the outside

New York State Energy Research and Development Authority

Nine white apartment buildings stand out like spaceships among the ageing brick facades of the Bushwick neighbourhood of Brooklyn, New York. The century-old buildings were recently upgraded with an energy-efficient exoskeleton, an effort to slash the buildings’ energy consumption in half while minimising disruption to tenants. This could serve as a model for the millions of building retrofits needed to meet climate targets.

Ryan Cassidy at RiseBoro, the affordable housing organisation that developed the project, says the “spaghetti” of piping …

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