Cool, California ranch house in San Francisco is a sustainable gem


The home also has an integral greywater harvesting system that reroutes rainwater to be used to flush toilets and irrigate the landscaping. Eco Green earth-challenge earth-day green-homes history landscape architecture natural light solar-powered homes sustainable landscapingSan Francisco-based firm Malcolm Davis Architecture has managed to combine the cool vibe of Cali design with the energy-saving principles of sustainable living.