Lighting Efficiency Tips

Energy-efficient lighting basics and ways to save

You’re considering switching to energy-efficient ENERGY STAR® qualified LED and CFL bulbs for the valuable energy, money and time savings you’ll earn. But first, get to know some fundamental lighting terms to help you make the right choice.
Get to know some lighting basics

What is an LED bulb? »

What is a CFL bulb? »

What is color temperature? »

What is a watt? What is a lumen?

What is ENERGY STAR? »


Saving you energy, money and time
ENERGY STAR qualified LED and CFL light bulbs use less energy, which saves you money and time. That’s a fact.
But did you also know:
LED bulbs use up to 80 percent less energy while producing the same quality and brightness of light that customers are used to getting from old incandescent bulbs.
Both LED and CFL bulbs have dimmable options that help you use even less energy. Be sure to only use dimmable bulbs in dimmable fixtures.
You can use an energy-efficient LED or CFL bulb as a stronger light source without exceeding a fixture’s maximum-rated wattage—great for boosting brightness in less well-lit areas.
LED bulbs can last 25 times as long as incandescent bulbs, and CFL bulbs can last up to 10 times as long. Their extended lifetime means fewer trips to the store and bulbs to buy in the long run.
Today’s ENERGY STAR qualified bulbs turn on immediately and do not flicker or buzz. And less waiting means more doing.

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