California’s extreme droughts are so dire that students at UC Davis have designed an impressive solar-powered home built out of drought-felled timber and installed with various state-of-the-art water conservation features geared towards California residents. The design of the team’s Our H2Ouse (pronounced “our house”) not only implements various grey water systems to use 50% less potable water than a typical residence, but smart technology with real-time LED displays enables homeowners to monitor and control water flow at every single water line.

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According to the students from UC Davis, who are currently exhibiting their solar home in this year’s Solar Decathlon event in Denver, they based the design on three main pillars: drought resilience, education, and inclusiveness. Using California-specific strategies in the prototype, the resulting Our H2Ouse is a highly-efficient, net-zero-energy design that is equipped to drastically reduce potable water use.

Related: 8 amazing homes that are 100% powered by the sun

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Geared for the state’s inevitable future droughts, the home was installed with various greywater systems, including a cutting-edge sanitization technology developed at the university. All of the home’s water faucets are equipped with light-up feedback displays to help occupants monitor and control water flow rates at every step. For example, the shower has LED lights that change from blue to red, depending on water use. At the front of the house is a wooden water tank with a gauge that rises and falls to display the daily water usage of the home.

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According to the team, this smart monitoring system was geared towards overcoming the most unpredictable factor in energy and water conservation: human behavior. By installing smart technologies with real-time displays, the team hopes to bridge the gap between potential and realized water and energy savings. Interestingly, a unique feature of the home’s digitized system allows for sharing usage numbers within a network of users, meaning that eco-minded homeowners can actively participate in not only their own water conservation efforts, but that of the surrounding community.

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While the heart of the home may be geared to address the state’s water issues, the aesthetic is also a nod to California style. The simple, modern-rustic design reflects the two side of Cali life, urban and rural. To efficiently and sufficiently insulate the home, the team chose to use a 12” thick, bamboo-based, panelized exterior wall system and structural insulated panels (SIPs). This system reduces the home’s carbon footprint to a fraction of a standard residence.

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All of the wood used in the home was sourced from salvaged California trees that died due to the state’s severe drought. Because this felled wood is dry and prone to burning, using it in the home design actively helps prevent forest fires. On the interior, the home is well-lit with natural light thanks to large glass doors that lead to the open-air deck. As for the interior furnishings, there are plenty of multi-functional items that were handcrafted by the students themselves, including hollow stools that can be used for storage, and that can be combined to be used as beds or tables. Motion-triggered recessed circadian LED lighting was installed into the flooring to create a modern, but efficient ambience throughout the home.

+ UC Davis Solar Decathlon

Photography by Mike Chino

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