Energy Guide: Energy Efficient Lighting

Written by: Emely Guzman

The most popular energy efficient light bulbs are Lighting Emitting Diodes (LEDs) and Compact Fluorescent Lights (CFLs). Both types of light bulbs significantly save energy being compared to incandescent bulbs, which lowers electricity bills. Even though there are different prices between the two light bulbs, LEDs and CFLs both have their own benefits that contribute to saving energy.

LEDs are more efficient than CFLs, using only 9 W or less. LEDs usually last around 25,000 hours compared to a CFL bulb that will usually last 8,000 hours. LEDs are higher in price, but the amount of light produced, hours they last, and the impact on a person’s electricity bill all make up for the higher price point. The amount of money spent on LED lights over the span of 23 years is only $8 in comparison to using other forms of light bulbs such as CFLs that will result in spending $21 for utilizing them for the same amount of time.

On the other hand, CFLs are also an efficient alternative to save energy and lower electricity bills. CFLs are up to four times more efficient than incandescent bulbs. In comparison to incandescent bulbs, CFLs use 70% less energy. Standard CFLs use 13 W compared to the 60 W used by standard incandescent bulbs.  Most CFLs are not dimmable and contain Mercury, which is a hazardous material, and need to be disposed carefully by taking them to qualified recyclers in order not to contaminate the environment.

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Light Bulb Showdown: LED vs. CFL vs. Incandescent

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