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60w Replacement LED Bulb Nears $15

Boy do I feel great for grabbing a handful of 60-watt replacement LEDs for $40 a pop!  Lighting Science Group and India-based Dixon Technologies today announced plans to launch the world’s first sub-$15 60-watt equivalent LED bulb.  The bulb will be available in India by the end of this year and around the world sometime in 2012.

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K-tect Panels for Energy-Efficient Homes

K-tect Sustainable Building Systems makes a wall system that the company calls the “newest generation of structural insulated panels.“  Although not a sandwich panel, the system is kind of like rSTUD but different and more comprehensive.  K-tect includes a light-gauge, metal-stud frame with insulation in a thermally broken assembly (see below) that improves thermal efficiency and controls noise.

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Vivint Upgrades Home Energy Offering

Yesterday Tendril and Vivint, formerly APX Alarm, announced a partnership to connect Vivint Go!Control home devices with Tendril’s home energy management technology.  The partnership is designed to give customers with a home security system the added ability to learn more about their energy use and control energy consumption.

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