The house is also Build it Green Certified, beating the sustainability requirements of Title 24 (guidelines issued by the California Energy Commission Building Energy Efficiency Program) by over 50%. The house’s laundry is hooked up to a grey water irrigation system and its gutters drain rain into barrels for reuse. The concrete also incorporates 25% fly ash.  Photo 8 of 8 in One Bedroom Became Three in This Space-Efficient San Francisco Renovation by Laura C. Mallonee

One Bedroom Became Three in This Space-Efficient San Francisco Renovation

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The house is also Build it Green Certified, beating the sustainability requirements of Title 24 (guidelines issued by the California Energy Commission Building Energy Efficiency Program) by over 50%. The house’s laundry is hooked up to a grey water irrigation system and its gutters drain rain into barrels for reuse. The concrete also incorporates 25% fly ash.