Swedish inventor Petra Wadstrom created the Solvatten system to bring portable water treatment and solar water heating to people in developing countries. Solvatten addresses poverty-related health ...

Some portable refrigerators operate with a combination ... A greener option is a solar water heater that’s powered by roof panels. But these have their drawbacks: They’re weather-dependent ...

Depending on the type of consumer solar panels, the technology can power your home's security system, store energy in batteries for portable ... the pool water. As part of the solar heating ...

You can reach Jon at joreed@cnet.com Expertise Energy, Solar Power ... tank This heat pump can warm up portable water just like any other hot water heater, but more efficiently.