The Herholdt's Group - Electrical • Renewable Energy • Lighting

Back to school lighting The bell has rung and classes have begun. That’s right, the school year has started which means your child will need a comfortable spot at home to do homework, work on assignments, and read books.…
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IT’S NO LONGER surprising to encounter 100-foot pinwheels spinning in the breeze as you drive down the highway. But don’t get too comfortable with that view. A Spanish company called Vortex Bladeless is proposing a radical new way to…
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On display or on the go, our speaker lanterns offer a spectrum of colors and dynamic color modes that give you the capability to elevate an ordinary space to an extraordinary experience. Choose from a spectacular range of color LEDs that…
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Lighting can totally make or break a room, and it can be easier to change out than you think, even in a rental. Take it from me—I've swapped out three fixtures in my space and brought in my own special bulbs for the recessed cans in my…
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Photo: Glenn Moncrieff and Planet Labs Inc The Kalahari Desert's Kathu Solar Park will start commercial operation next year. This concentrated solar power plant is due to pump 100MW into South Africa's electricity…
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Harvesting renewable energy from the sun and outer space at the same time This image shows the apparatus that is proving the efficacy of a double-layered rooftop panel. The top layer uses the standard semiconductor materials that…
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Today’s hottest solar tech is all about supporting old-fashioned silicon panels. Back in 2008, when the US was deploying less than 300 megawatts a year of solar photovoltaic (PV) panels, and the boom in solar was but a gleam in…
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A new energy storage system is using a crane and concrete blocks to address one of the biggest issues of renewable energy while cutting expenses by half compared to existing technologies. A Czech-Canadian scientist, Vaclav Smil …
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When winter comes around to Mzansi each year, we find ourselves dealing with cold as well as the high electricity bill because of all of our efforts to stay warm. With all of the costs the average South African is dealing with now, a…
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