SAN JOSE, Calif.--The West Coast Green 2008 building show kicked off on Thursday, for the first time in this city with one of the nation's most ambitious "greening" plans.
During our sneak peek at some of the 400 exhibits, products that caught our attention included a device that seemed to make water out of thin air, a solar-powered table, home energy automation systems, and better concrete blocks. Check out the video below for more.
Element Four Element Four claims to extract water from the air. Its Watermill appliance is supposed to supply enough water daily to quench the needs of a six-person family. It costs around 35 cents to produce more than 3 gallons of drinking water each day, according to the British Columbia-based company. The Watermill is set to become available next February for around $1,300.
CEO Rick Howard said he'd like to create different versions of the 300-watt Watermill, perhaps powered by the sun or wind. He sees the technology as ideal for household use during emergencies, as well as for people in the developing world. It could even customize flavored water, Howard added.
As air enters the Watermill, humidity condenses on a patented coil, and passes into a reservoir. Water passes through a carbon filter and past a germ-killing UV light. The product could be hooked up to a kitchen faucet.
Most drinking water technologies, by contrast, take dirty or salty water, or even sludge, then purify it.… Read more