The design consists of three layers: an energy-efficient, insulating structural envelope, an integrated building systems core with the mechanical, electrical, and plumbing systems, and an exterior shell equipped with solar systems and the ability to shade and collect rainwater.  Photo 3 of 5 in Things You Should Know About Modern Prefab Construction by Allie Weiss from Students Dream Up Off-the-Grid Prefab Housing

Things You Should Know About Modern Prefab Construction

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The design consists of three layers: an energy-efficient, insulating structural envelope, an integrated building systems core with the mechanical, electrical, and plumbing systems, and an exterior shell equipped with solar systems and the ability to shade and collect rainwater.