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Decorative Light Strings for Consumers

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Did You Know?

If all decorative light strings sold in America this year were ENERGY STAR qualified, we would save over 2 billion kWh per year and reduce greenhouse gas emissions equivalent to nearly 300,000 cars!

About ENERGY STAR Decorative Light Strings

Decorative Light Strings ENERGY STAR qualified decorative light strings - many which feature LED technology - consume 75% less energy than conventional incandescent lights strands.

ENERGY STAR Qualified Decorative Light Strings:

  • Can last up to 10 times longer than traditional incandescent strands.
  • Are cool to the touch, reducing the risk of fire.
  • Do not have moving parts, filaments or glass, so they are much more durable and shock-resistant than other light strings.
  • Are available in a variety of colors, shapes and lengths.
  • Come with a three-year warranty, meaning fewer light string replacements.
  • Are independently tested to meet strict lifetime and electrical requirements.
  • Products labeled for outdoor use are subjected to weathering tests.
  • Some models deliver features such as dimming or color shifting.

What is an LED?

  • Light emitting diodes, or LEDs, are small light sources that are illuminated by the movement of electrons through a semiconductor material.
  • LEDs are exceptionally energy efficient when producing individual colors, many using up to 90% less energy than an incandescent bulb to produce the same amount of light.
  • For example, the amount of electricity consumed by just one 7-watt incandescent bulb could power 140 LEDs — enough to light two 24-foot (7.3-meter) strings.
Current Specification Effective Date:

March 2008

Decorative light strings originally qualified for the ENERGY STAR label in August, 2007. ENERGY STAR qualified decorative light strings - many which feature LED technology - consume 75% less energy than conventional incandescent lights strands.

  • Products must meet stringent efficiency (under 0.2W per bulb) and quality (3-year warranty, protection against over-voltage, maintained light output) requirements.
  • In addition, qualified light strings must meet product packaging requirements to ensure consumers have a clear understanding of products when they look to purchase light strings.

Learn How a Product Earns the Label

These FAQs represent the top ten related to Decorative Light Strings and the ENERGY STAR program.

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