Watts measure energy consumption, not brightness. In traditional incandescent bulbs, higher watts meant brighter lights because those bulbs produced more light by consuming more power. But with modern ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. The U.S. Department of Energy is cranking up the minimum ...

The EnergyLED PAR20 LED bulb uses just 4.6 watts to generate up to 300 lumens of light. This is a 50% improvement in lumen output compared to the previous generation. With a 50º beam angle and E26 ...

Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...