Blog - The Herholdts Group

Winter Lighting Perfection in only four steps!

Jun 3, 2019

Making small changes to your interior decor is always a great way to usher in a new season. Take your home from cool and breezy to warm and snug in four easy steps: 1. SAVE MONEY Shorter days and longer nights mean that your…
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Could wave power be the next boom in renewable energy?

Apr 18, 2019

Several devices that generate electricity from the movement of waves are about to begin large-scale testing in Hawaii. In a shipyard in Portland, Oregon, a massive new energy generating device is nearly complete. In mid-May, it will…
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50 Ways to Save Electricity and Money around the House

Apr 10, 2019

50 ways to save electricity and money around the house By using energy wisely, you’ll help to keep your monthly utility costs down - this is called demand-side management. In addition to the cost implications, the growing…
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Antarctic Expedition Powered by Renewable Energy

Feb 27, 2019

World’s First Antarctic Expedition Powered Solely By Renewable Energy In November, 2017, father and son Robert and Barney Swan became the part of the first team in history to walk to the South Pole powered entirely by renewable…
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Back to School Lighting

Feb 21, 2019

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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The Future of Wind Turbines? No Blades

Jan 30, 2019

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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Set the Mood with Mooni

Jan 21, 2019

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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8 Lighting Trends You’ll be Seeing Everywhere in 2019

Jan 14, 2019

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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A Massive New Solar Power Station has Come to Life in the South African Desert

Dec 5, 2018

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

Nov 13, 2018

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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NEWS

Solar Tech’s Near Future: Solar on Water, Robots and 2-Sided Panels

Sep 20, 2018

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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NEWS

Swiss Company Introduces New Renewable Energy Storage Technology

Sep 11, 2018

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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5 Ways to Save on Electricity this Winter!

Jul 19, 2018

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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NEWSRENEWABLE ENERGY

A Green Olympics in 2020

Jun 26, 2018

Japan aims to power Tokyo Olympics with 100 percent renewable energy With the Tokyo Olympics just two years away, the event’s organizing committee has announced it wants to power the games exclusively through renewable energy. That…
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Canadian Solar 50kW Inverter 400v

Apr 20, 2018

Three Phase String inverter 40-50kW Canadian Solar‘s grid-tied, transformer-less string inverters help to accelerate the use of three-phase string architecture for commercial rooftop and small ground-mount applications. An NRTL approved,…
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ELECTRICALINFORMATION

5 Important Need to Know Things about Power Cables

Jan 23, 2018

Power cables are the basic components of any electrical system. There are different types of cables that are available in the market. The choice of which specific cable types should be used for specific purposes is based on several factors,…
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Physics of Why Power Lines Sag

May 12, 2017

You might look at an overhead power line and see an engineering problem. After all, those transmission towers are impressively huge. But if you’ve ever seen those cables, you probably noticed they seem to hang fairly low. Why they hang low…
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Turning Up the Temperatures to Reduce Company Energy Costs

Jan 12, 2017

New research done in Singapore shows that slightly raising indoor temperatures and equipping office workers with smart fans saves significantly on overall office building energy costs while maintaining employee comfort. The research was…
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Troubleshooting Electrical Equipment with Insulation Resistance Test Instrument

Aug 23, 2016

Troubleshooting of electric motors Insulation resistance testing is performed when troubleshooting electric motors and related equipment. IEEE Standard 43-2000, Recommended Practice for Testing Insulation Resistance of Rotating Machines,…
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