The 3,700-square-foot space includes a rainwater collection system and heat pump, and thanks to the double-panel facade, is both well-insulated and energy efficient.  Photo 3 of 4 in House of the Week: Minimal Concrete Home is Surprisingly Inviting by Allie Weiss from Super Minimal Steel and Concrete Villa with an Unusual Facade

House of the Week: Minimal Concrete Home is Surprisingly Inviting

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The 3,700-square-foot space includes a rainwater collection system and heat pump, and thanks to the double-panel facade, is both well-insulated and energy efficient.