Light Quality
People are often concerned about the light quality available from CFLs. There are several ways to control this: - Check the lumen rating of the bulb; the higher the lumen rating, the greater the light output.
- Check the bulb's Kelvin (K) rating. Bulbs with a lower K rating (2,700 - 3,000K) give off a soft, warm light similar to an incandescent. They are suitable for living rooms, bedrooms, etc.
- Choose bulbs with a higher K rating (3,500 - 6,500K) for task lighting. They give off a cooler, white or bluish-white light that may be identified as "bright white" or "daylight".
- Remember that CFLs can take from 30 seconds to three minutes to reach their full lighting potential after you turn the lamp on.
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