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 4 of 8 in These Eco-Friendly Prefabs Are Totally Off-the-Grid by Luke Hopping from Students Dream Up Off-the-Grid Prefab Housing

These Eco-Friendly Prefabs Are Totally Off-the-Grid

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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.