The solution: be prepared to replace the bulb and are considering the purchase of the CFL and LED products compared. Question 2 bulbs soon burn out 5 Tips enhance lighting Question 5 bulb shape special Shop can easily buy energy-saving lamps, display window lit bulb freely displayed a different light, the packaging contains energy-saving lamps Description, but these are not enough to convince a lot of people to buy CFL and LED energy-saving lamps. According to the survey, 23 percent of Americans think the price is too high energy-saving lamps. Even now, the price has been reduced, each energy-saving lamps can also save 10? $ 25. The following is a solution to the problems found in the survey and experts are given: Question 4 color distortion The solution: buy lumens higher energy-saving lamps. Lumens higher, the brighter the bulb. If you use a 60-watt replacement lamps need to buy 800 lumens or more products; 75 watt replacement lamps need at least 1100 lumens; 100-watt replacement lamps need at least 1600 lumens. Shadow absorb light, so they need more light bulb. For floodlights lumens should be at least 10 times to replace the bulb wattage. Question 1 bulb is not bright enough Question 3 light color error Solution: Contact the manufacturer or refund bulbs to retailers. Usually identified by the U.S. Energy Star CFL energy saving lamps at least a 2-year warranty period, the LED lights for three years or longer. Bulb lamps may shorten its life, and therefore need to look at the packaging instructions. . Solution: the higher the color rendering index (CRI: Color Rendering Index), the color, the more realistic. The indoor use energy-saving lamps the proposed CRI value of at least 80. Most of the test LED and CFL energy saving lamps at 80? 85. Other products with higher or lower CRI index evaluation has been marked. Solution: the color of the light units the kelvin (Kelvin) the greater the value of K, the colder blue lights. If you want to incandescent warm yellow light, it can choose the standard 2700k bulbs. 3000k bulb, the more white light like halogen lamps. 3500K? 4100k, light and cold is bright white; 5000k? 6500k, rendering Blu-ray.