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Contact Us about Compact Fluorescent Light Bulbs (CFLs)

If you have a general question about CFLs, visit the Energy Star program's frequent questions page about CFLs and other lightingExit, or call the ENERGY STAR Hotline at (888) STAR-YES (888-782-7937) between 9 a.m. and 5 p.m., Eastern Time.

CFLs and Mercury

If you have a question about CFLs and mercury, visit:

Other Questions?

You can submit a question using the form below. Be sure to include your e-mail address if you’d like a response.  Note that while we strive to respond to every question submitted with an answer or an appropriate referral as quickly as possible, responses can take some time. 

Contact us by mail:

1200 Pennsylvania Avenue, N.W.
MC 1701A
Washington, D.C. 20460

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