Architect Paul Castrucci found that when designing a passive house for an urban environment, he didn’t have to take many extreme measures as long as the apartment layout was smart and strategic. Like many efficient homes of this caliber, the 13-16 inch thick walls provide serious insulation and a tight envelope. Photo 1 of 7 in R-951 by Patrick Sisson

R-951

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Architect Paul Castrucci found that when designing a passive house for an urban environment, he didn’t have to take many extreme measures as long as the apartment layout was smart and strategic. Like many efficient homes of this caliber, the 13-16 inch thick walls provide serious insulation and a tight envelope.