A new company, Wattvision, is rolling out a beta version of an energy monitoring system, and it seems promising. The company is selling the Wattvision Sensor for $199 (currently only $149 with the code “wvbetablog“), which can be applied to compatible digital meters. With an online account at Wattvision and the sensor installed, you can start monitoring electricity usage online, on your phone, or through email reports.
As first reported by the New York Times recently, a new life cycle assessment of illuminants conducted by Osram, a German lighting company, provides support for the belief that LEDs are more efficient than incandescent bulbs. In fact, over the entire life of the bulb, from manufacturing to recycling, incandescent bulbs use approximately five times more energy than compact fluorescents and LED lamps.
Yes, it's that time again. For the eighth year in a row, BuildingGreen has just announced their list of Top-10 Green Building Products. BuildingGreen sifts the products from new additions to the GreenSpec Directory, a print and online guide that organizes green products according to LEED credits, as well as from coverage in Environmental Building News. The GreenSpec Directory has over 2,100 products, and these ten are some of the best of what's been added to the directory. Any favorites among the group?
This month, AES Wind installed its first demonstration AES WindJet 5 turbine in Overland Park, Kansas. The twin-rotor turbine is rated at 5 kW and was designed to increase efficiency by up to 54% over existing designs. With a slow rotor speed, the turbine is quieter, more durable, and less likely to create problems with birds.
About a week ago, the Rocky Mountain Institute launched Green Footstep, a free online carbon calculator for reducing emissions in building construction and retrofit projects. The website also features three case studies together with an explanation of the Green Footstep methodology. With the tool, you can: