A group of companies want to make hot water and power from the same piece of equipment. It won't be that expensive either, they claim.
by: Michael Kanellos
A segment of one of Entech's solar units. Solar cells at the base of the "V" turn light into electricity. A heat collecting pipe right below the solar cells stores energy for heating water.
The sun emits heat and light, but most solar power companies only exploit one or the other.
Some people want to reverse that.
Ewing, N.J.-based Entech Solar – the product of a merger between struggling solar installer WorldWide Water and Solar Technologies and Entech – has devised a solar unit that contains silicon photovoltaic cells, which can convert sunlight into electricity, as well as a fluid-filled pipe that collects heat from the sun. The collected heat is then used to warm water and displace the need to run a natural gas-burning water heater.
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