Compact Fluorescent Light Bulbs (CFLs)

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Save money with ENERGY STAR^® qualified bulbs
Compact fluorescent bulbs are specially designed to produce a warm, even light. There are many styles to choose from to fit in almost any fixture in your home, including special applications like globes, 3-way, dimmable and more.

ENERGY STAR qualified bulbs:

can save more than $40 in electricity costs over its lifetime.
uses about 75% less energy and typically last 6 times longer than standard incandescent bulbs.
produces about 75% less heat, so it's safer to operate and can cut energy costs associated with home cooling.

Wondering which bulb is best for you? Use this equivalency chart to help you out!

Operating Cost Comparison

Incandescent bulb	Compact Fluorescent	Lifetime Savings
40W	9 - 11W	$16 - $27
60W	13 - 17W	$27 - $32
75W	18 - 20W	$38 - $43
100W	23 - 26W	$49 - $54
150W	32 - 42W	$76 - $87

*Savings are based on 6,000 hour bulb lifetime, burning 3 hours/day at 0.12 cents per kWh.

Cash-Back Rewards Available
Click on the link above to find out what Rewards are available for the purchase of select ENERGY STAR qualified lighting. Eligibility for this program is determined by your electric utility service area. Please use the eligibility tool to see if you are eligible.

Have you made the change?
All across Wisconsin, people are switching to ENERGY STAR qualified CFLs. If you haven't already done so, it's time to join the thousands of other Wisconsin residents and become a part of the CFL revolution.

CFLs and Mercury
Compact fluorescent lights do contain trace amounts (an average of 5 mg) of mercury vapor -- it's what makes the bulbs energy efficient -- an amount the size of the period at the end of this sentence. It's important to know that CFLs are safe to use and pose no danger when used properly. For more information, visit our CFL recycling page, or view our mercury fact sheet in the info library.

Always Dispose of Your CFL Properly
recycle CFLs

As energy-efficient lighting becomes more popular, it is important that we dispose of the products safely and responsibly. Proper recycling ensures the benefits of CFLs while properly managing the disadvantages.

Focus on Energy has partnered with the world's largest environmental service company to offer a solution. Focus representatives are providing interested retailers with recycling containers as part of a new, no-cost CFL recycling program for their customers.

Find a retailer
Ready to buy a new, energy-efficient CFLs? Enter your ZIP code below. Find it with Focus will show you all the participating retailers in your area.
Learn More
To find out more about CFLs, view the fact sheets in our info library page.

Take the ENERGY STAR Pledge.
This online Pledge is a simple way to commit to reduce greenhouse gases and save energy. Every light changed is a step in the right direction to preserve energy resources and our environment for this generation and the next. Click on the image to your left, or visit ENERGY STAR Pledge to help change the world.