When.com Web Search

  1. Ads

    related to: fluorescent and incandescent lights pros and cons

Search results

  1. Results From The WOW.Com Content Network
  2. Fluorescent lamp - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamp

    In East and Southeast Asia incandescent bulbs are rare in buildings. Many countries are encouraging the phase-out of incandescent light bulbs and substitution with other types of energy-efficient lamps. In addition to general lighting, special fluorescent lights are often used in stage lighting for film and video production. They are cooler ...

  3. These are the best — and worst — lightbulbs for the planet

    www.aol.com/lifestyle/best-worst-lightbulbs...

    In fact, LED bulbs emit the least amount of carbon dioxide — 451 pounds annually as compared to 4,500 for incandescent bulbs and 1,051 for CFLs, and, according to the Environmental Protection ...

  4. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    Incandescent bulbs have a shorter life than most other lighting, an important factor if replacement is inconvenient or expensive. Some types of lamp, including incandescent and fluorescent, emit less light as they age; this may be an inconvenience, or may reduce effective lifetime due to lamp replacement before total failure.

  5. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    Fluorescent bulbs contain mercury, a toxic substance. The United States Environmental Protection Agency (EPA) provides safety guidelines for how to clean up a broken fluorescent bulb. [17] Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18]

  6. Luminous efficacy - Wikipedia

    en.wikipedia.org/wiki/Luminous_efficacy

    The former sense is sometimes called luminous efficacy of radiation, [4] and the latter luminous efficacy of a light source [5] or overall luminous efficacy. [ 6 ] [ 7 ] Not all wavelengths of light are equally visible, or equally effective at stimulating human vision, due to the spectral sensitivity of the human eye ; radiation in the infrared ...

  7. United States lighting energy policy - Wikipedia

    en.wikipedia.org/wiki/United_States_lighting...

    As of 2011, incandescent lighting was the most common type used in homes, delivering about 85% of household illumination. [2] To produce light, incandescent light bulbs convert electricity to heat, heating a filament to the point where it glows; a portion of the heat is thus converted to light.