Philips sent me one of their 12.5W dimmable LED bulbs to evaluate. (This is Philips L-Prize entry, for those following the DOE contest. WRONG, see below.) Tear-down time! Some of you have mentioned ...

The bulb will be available at stores in early December for between $40 and $50. Offering warm, even light, it appears a real contender for nudging out the beloved incandescent bulb. Martin LaMonica is ...

Yesterday, a federal ban on production of 40- and 60-watt incandescent bulbs went into effect, forcing consumers to switch to more efficient (if less aesthetically pleasing) bulbs, like LEDs and CFLs.

We’ve seen that Philips’ dimmable 12.5W 800 lm LED bulb emits light in the same spherical pattern we’ve come to expect from incandescent bulbs. How does it do this? First off, let’s refer back to the ...

Energy-efficient LED bulbs are becoming more and more popular each day. They use light-emitting diodes (LEDs) to produce light. Compared to traditional incandescent bulbs, LED bulbs use less energy, ...

Philips has announced that its 22-watt LED lightbulb is the first 100-watt tungsten equivalent bulb to have been awarded Energy Star certification. Often referred to as the A21, which is actually just ...

The marketplace for more-or-less normal-looking LED light bulbs became just a little more crowded yesterday, when Philips announced the dimmable 75-watt equivalent version of its SlimStyle bulb. With ...

LED light bulbs are already supposed to be energy-efficient, but Signifiy thinks it can improve on the formula. The company has released Philips Ultra Efficient LED bulbs that, as the name implies, ...

Who would have imagined that this would happen so fast? Years ago, Bill Gates looked at the computer revolution and noted that, "If GM had kept up with technology like the computer industry has, we ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Signify has introduced “the first Philips LED A-class bulbs that meet the more stringent EU Ecodesign and Energy labeling regulations that come into effect on September 1, 2021”, according to Signify.