Why choose ENERGY STAR qualified CFLs over a non-qualified CFL?
ENERGY STAR qualified CFLs are different than other CFLs on the market because they have been tested to meet stringent performance criteria established by the U.S. Department of Energy and the U.S. Environmental Protection Agency. The criteria ensure that all CFLs earning the ENERGY STAR label meet minimum lifetime and efficacy requirements, and are within maximum allowed product start and warm-up times.

Manufacturers are also required to label the product if the light output is different than that of a soft white incandescent. If you choose a CFL that is not ENERGY STAR qualified, you might not get the performance you were looking for.

Benefits of ENERGY STAR Qualified CFLs
Use at least 75% less energy (than incandescent bulbs)
Last up to 10 times longer than incandescent lighting
Come in different shapes and sizes, to fit in most residential fixtures
Are convenient in hard-to-reach or high-use fixtures, as they need replacing less often
Generate 70% less heat than incandescent light bulbs
ENERGY STAR qualified bulbs offer a 2-year manufacturer warranty (double the industry standard)
Do not hum, buzz, or flicker