Zero Mass Water’s Source device is a rooftop solar device that produces water instead of just electricity.

by Derek Markham for treehugger

With the virtual explosion of rooftop solar arrays producing clean electricity, the future of democratized power is bright, but when it comes to water, we don’t have nearly as many options. Most of us are directly tied into the local water supply, which is great when it works well, and horrible when it doesn’t (as evidenced by the recent and ongoing travesties in communities such as Flint, Michigan), and although some homes may capture rainwater for irrigation, or have their own well, there aren’t a lot of alternative choices for getting clean drinking water, other than purchasing bottled water.

However, there are some up-and-coming water innovations that could be put into play at homes and businesses that would allow people to have more control over their own drinking water supply. In recent years, the idea of pulling water vapor from the air and condensing it into drinking water is getting a whole lot more attention, and not just in off-grid areas and in the developing world, but also right here in suburbia and urban areas as well. One company that offers a localized clean water solution is Zero Mass Water, and its Source device looks to be a promising addition to homes or businesses that want to gain some water sovereignty.

water-boyZero Mass Water, an Arizona State University spin-off startup based in Scottsdale, has developed a “drinking water solar panel” that is a standalone system requiring no wired or water input connections, and the company has been installing its SOURCE device in pilot programs on homes and in communities since 2015.

A single unit has a physical footprint of 2.8 square meters, generates its own electricity from a solar photovoltaic panel (and stores some of that electricity in an integrated lithium-ion battery for keeping water pressure up after dark), and uses that electricity to drive a cycle of condensation and evaporation that can produce 2 to 5 liters of water per day.

A 30-liter reservoir holds the generated water and allows for the distilled water to have minerals added to it for taste, and the output can be plumbed directly to a tap inside the home or business. Multiple SOURCE units can be installed in an array in order to generate the appropriate amount of water to meet the needs of the owner.

Read the rest of the article here.

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