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Grape Solar PV Systems Sell on Amazon

Oregon-based Grape Solar is now selling grid-tie capable, kilowatt-scale solar photovoltaic systems online via Amazon.  These systems ship in various bundles which include a racking system, an inverter, and several 230-watt panels, depending on the size of the system.

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DIY Low-Profile Skylight by U.S. Sunlight

U.S. Sunlight this year introduced a new product in the form of a low-profile skylight with flexible tubing and a 14″ ceiling lens.  Similar to the flat-glass Sun Tunnel by Velux, Skylight Tube ditches the dome-shaped roof lens for a flatter, square design.  The new product was designed for simplicity and efficiency and can be installed in a couple hours by a professional or an afternoon by a DIYer (with the right tools).

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Ingenious PV Glass Window Hits Chicago

Pythagoras Solar makes a revolutionary solar-powered window – literally an insulated window with integrated photovoltaics – that has the ability to turn buildings into massive power producers. The company has been testing a pilot project on the south-facing windows of the 56th floor of Willis Tower, formerly known as Sears Tower. If the pilot goes well, Willis Tower could end up with a surface area of up to two megawatts of solar.

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Low-Cost Solar Thermal by Sunnovations

Sunnovations, a Virginia-based start-up, is seeing more and more interest in its unique solar thermal technology and just closed a Series A round of financing led by Two Seven Ventures.  That technology is explained in the attached images, and it may just make solar water heating a no-brainer for every home in the country.   The system is relatively affordable, easy to install, and simple to maintain, according to the company.

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Low Profile Tubular Skylight by Velux

Velux makes some great products for drawing natural light indoors.  The company recently introduced a new, low-profile, flat-glass Sun Tunnel skylight at IBS 2011, and it will be available later this year.  Already in use in Europe, the new skylight trades the bulbous, dome-style, roof model for a sleek, more modern, less noticeable look.

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60 Homes Get Velux Solar Water Heating

On average, water heating is the second largest energy expenditure behind heating and cooling, according to information on the Energy Star website.  Folks spend anywhere from $400-$600 per year on water heating, so it’s a good area to scrutinize when trying to save energy at home.  In South Carolina, thanks to a grant from the state energy office, 60 homes received a shiny, new Velux solar water heating system to showcase the benefits of this technology.

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