BEST LED FOR EFFICIENCY: Feit Electric A19 LED Light Bulb Wattage: 8.8 Watts Why we love it: They have a lifespan of up to 25,000 hours or 22.8 years. They're dimmable. They're 100 percent mercury-free. They emit zero ultraviolet light, so the...
Lights can now be purchased to emit specific wavelengths or “temperatures,” and many people find “daylight” bulbs to have a more natural appearance. These bulbs emit light with a greater percentage of blue light than “warm” or “soft” lamps. With LED-based energy-efficient lighting and...