A few days ago, a reporter visited the lighting market in the city and found that energy-saving lamps are widely available, with a variety of brands and types. The price range for each lamp is between 5 to 20 yuan, making them an affordable option for many households.
Some sales representatives from well-known lighting stores explained that the standard lifespan of an energy-saving lamp is around 8,000 hours, which is roughly 3 to 4 years. They also mentioned that these lamps consume about 20% less energy compared to traditional incandescent bulbs, making them a more efficient choice.
However, industry experts shared some concerns. While high-quality brands can last up to 10,000 hours, many average products only last around 1,000 hours. Some low-quality lamps may even fail after just 20 minutes of use, which is worse than a regular candle. According to insiders, good energy-saving lamps use high-efficiency trichromatic phosphors and advanced water-coated powder coating processes. In contrast, cheaper models often use halogen powder tubes, which are not only less durable but also less efficient in terms of light output.
For consumers looking to buy reliable energy-saving lamps, it's recommended to go for well-known brands. These brands usually ensure better product quality, performance, and safety. They also offer solid after-sales service, including a one-year warranty for any quality issues.
When shopping, make sure the packaging is complete and the label is clear. A genuine energy-saving lamp should have all the necessary information on its box, such as its expected lifespan, color rendering index, and installation instructions. Inside the package, you should also find details like voltage, frequency, power rating, and the manufacturer’s name and logo.
Another important factor is the lamp’s performance. High-quality energy-saving lamps gradually reach their maximum brightness after being turned on, and they maintain consistent brightness and good light efficiency. On the other hand, poor-quality lamps may appear dim and have a dull color.
Additionally, check the surface of the lamp. It should be smooth, with even coating and no signs of blackening. If you notice any defects, it's best to avoid purchasing. You can also shake the lamp gently—there should be no internal sounds of cracking or squeaking. When testing it on a lamp holder, the base should remain secure and not loosen or fall off.
Lastly, professionals advise that energy-saving lamps are sensitive to power supply stability. Poor power quality, such as high starting current or frequent switching, can significantly reduce their lifespan. So, it's important to ensure that your electrical system is stable before using these lamps.
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