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Building Categories Renewable Energy

Renewable Energy

Many think of wind, solar and geothermal at the mention of “renewable energy”, as indeed they are, but very often the cheapest renewable energy is actually efficiency—the energy you no longer need because you’ve insulated, changed to better windows, lights and appliances, and/or reduced your energy appetite just by paying attention. We have to urge you to first find those easy ways to energy independence—reducing demand—before you look at the various ways to provide onsite energy supply. Many who do find to their surprise that adding solar panels (for example) is neither the green nor the financially smart thing to do. If that might be you, it might help to look at the other sections of this site on doors & windows, insulation, appliances, and lighting/electrical.

With that said, there are many ways to tap sun, wind and underground heat to directly provide your home with electricity and/or hot water. Some of those methods remain a bit expensive, but the technologies are rapidly evolving, bringing down the prices. Also, government at every level, as well as utilites, are increasingly offering incentives and low-cost financing to assist homeowners towards energy independence.

 
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Apricus Evacuated Tube Solar Collector
The Apricus Solar Collector or Solar Water Heater is a device that absorbs thermal energy from the sun and converts it into usable heat. The heat is normally absorbed...
 
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Echo(tm) combined PV & Thermal
Echo™ represents a major leap forward in the evolution of solar energy. Most solar energy systems today use "PV" technology. They convert sunlight directly into the electricity that you...
 
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FlexSure dual solar tubing
Two flexible stainless steel tubes and sensor wire pre-insulated with elastomeric EPDM insulation with a UV-resistant covering Tubing system to connect supply and return lines between solar panels and hot...
 
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High Temperature Micro-Concentrator Commercial/Industrial Solar Thermal
The Chromasun Micro-Concentrator (MCT) is a next generation high-performance solar collector that uses the same technology as utility scale solar systems, except now in a much smaller package. It...
 
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Integrated Photovoltaic, Solar Hot Water, and Rainwater Harvesting System
What we do on the roof is important because what happens below the roof is critical. More than a decade ago, we began imagining the roofing systems architects, builders...
 
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NARVA Vacuum Tubes
NARVA Vacuum Tubes are produced with exceptional production standards at the NARVA plant in Brand-Erbisdorf, Germany. The specially formulated glass is manufactured using high quality raw materials: sand, feldspar,...
 
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nPower® PEG
  The World’s First Personal Energy Generator The nPower® PEG gives you power to recharge your cell phone, iPod, or other hand-held device when you need it most –when you’re...
 
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Zomeworks PV Tracker
A tube containing refrigerant is attached to both sides of the array and are connected with a small pipe. As the sun heats the refrigerant in the lower tube...
 
 
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