Led lamp-incandescent lamp-energy saving lamp cost comparison
Take a family with a light 4 hours a day and 10 years of use as an example
Incandescent lamp: 40W; replace 3 in a year for each one yuan, 10 years in total 30 yuan; power consumption: 4 hours × 40 watts × 360 days = 57600 watts × 0.6 yuan / kWh, 34.8 yuan a year; 10 years use Electricity yuan plus 30 yuan for bulbs totaling 378 yuan.
Ordinary energy-saving lamps: 8W; change one every 10 years, 10 replacements. A 15 yuan is 150 yuan. Power consumption: 4 hours × 8 watts × 360 days = 11520 watts or 11.52 degrees; 10 years of electricity consumption of 115.2 kWh × 0.6 = 69.12 yuan plus 150 yuan for the total of 219.12 yuan
LED energy-saving lamp: 3W; one lamp can be used for 10 years. Power consumption: one year of electricity: 4 hours × 3 watts × 360 = 4.32 kilowatt-hours of electricity; 10 years of electricity consumption of 40.32 degrees × 0.6 yuan = 25.92 yuan plus a 3W LED energy-saving lamp 30 yuan = 55.92 yuan above the comparison table fully reflects the LED The advantages of energy-saving lamps "super energy-saving"
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