The cheapest of Cree's LED bulbs costs less than $10, and they're all backed by a (rather uncustomary) 10-year warranty. Perhaps most importantly, though, Cree's LED bulbs are shaped just like an ...

We have all heard that LEDs (light emitting diodes) will soon replace traditional incandescent light bulbs and the more recent CFLs (compact fluorescent lamps). But until recently, LEDs have been ...

Under the Domestic Efficient Lighting Programme (DELP), the government procures LED bulbs through competitive bidding and provides the bulbs to consumers at competitive rates. This has led to bringing ...

Despite plenty of technical advances, incandescent lightbulbs still rule when it comes to color and quality of light. The trouble is, they don’t always last so long, and they waste almost all of their ...

A 27-W LED bulb puts out 1,600 lumens at a color temperature that lets it replace a 100-W incandescent light. The coveted Lighting "L" Prize last year went to an LED bulb that could replace a 60-W ...

We may receive a commission on purchases made from links. Generally, a 100-watt-equivalent LED light bulb is between 10 and 15 watts. 60-watt-equivalent LED bulbs are between 8 and 10 watts, and ...

CFL bulbs can help you cut quite a bit of energy usage in your home, but you can't measure brightness by looking at wattage levels, like you can with incandescent bulbs. This chart will help you ...

The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...