This week Massachusetts-based Osram Sylvania announced a 100-watt replacement LED light bulb that uses only 20 watts of energy. In fact, the company claims it’s the first to market with such a replacement offering. Sylvania Ultra LED is an A21 bulb (larger than the A19 shape) with a rated life of up to 25,000 hours, a color temperature of 2700 Kelvin, and a CRI of 80. The LED bulb outputs 1600 lumens, according to LEDs Magazine, and is expected to sell for about $50 at Lowe’s.
400W Small Wind Turbine [Giveaway]May 3rd, 2010
10 Things to Consider Before Using Shipping Containers For Your ProjectFebruary 9th, 2010
Prefab Green Book [Giveaway]May 11th, 2009