Can you save money by using energy-saving lamps?
Recently, the Municipal Quality Supervision Bureau and the Municipal Administration for Industry and Commerce successively conducted spot checks on energy-saving lamps sold in the market, and found that some products were unqualified. So many consumers ask questions: Can you save money by using energy-saving lamps?
The expert accountant electric light source expert uses 5 hours of 60-watt incandescent lighting for one day: the electricity cost is 0.61 yuan per kWh, and the electricity consumption is 110 kWh for the whole year. The total cost of 2.60 yuan is 69.70 yuan.
The use of high-quality energy-saving lamps, only one 11-watt bulb, the annual electricity consumption is only 20 kWh, the electricity bill is 12.20 yuan, plus a bulb price of 15 yuan, the annual cost is only 27.20 yuan. Nowadays, there are usually several residential houses, so the effect of saving money all year round is very impressive.
Purchase tricks
â— The high-quality energy-saving lamps with a life expectancy of 8,000 hours are priced at 20-30 yuan; the general energy-saving lamps with a lifespan of 3000-5000 hours are 15-20 yuan.
◠See if there is a “three guarantees†commitment, as well as the factory name, site, trademark, contact telephone number, rated current, rated power and other signs.
â—The light from the high-quality products has a comfortable feeling. If the direct view is irritating, the light emitted by the fake and shoddy products will be covered with a layer of gray, and the color of the light will be distorted on the object.
â—The bulb of the lamp should be smooth and free of air bubbles. The phosphor coating in the lamp should be fine, no particles, and even white. The lamp cap and the lamp should be in a vertical state.
Use needs
â—Use according to the instructions in the manual. Generally, self-ballasted fluorescent lamps cannot be used for dimmable table lamps or other dimmable lamps.
â—Because the ballast circuit is included in the self-ballasted fluorescent lamp, it is necessary to frequently switch the light source. It is best not to use it.
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