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燈泡性能與开支比较(美国电价,相当于60瓦白炽灯亮度)
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白炽灯[1]
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卤素灯[2]
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节能灯[3]
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LED[4]
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售价
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$0.41
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$1.17
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$0.99
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$3.99
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功率(瓦特)
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60
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43
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14
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8.5
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平均光通(流明)
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860
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750
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775[5]
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800
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光效(流明/瓦特)
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14.3
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17.4
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55.4
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94.1
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色温(开尔文)
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2700
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2920
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2700
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2700
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演色性(CRI)
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100
|
100
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82
|
80
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寿命(小时)
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1,000
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1,000
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10,000
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15,000
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可用年数(每天6小时)
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0.46
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0.46
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4.6
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6.8
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20年电费(0.11美元/KWh)
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$289
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$207
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$67
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$41
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20年总开支
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$307
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$259
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$70
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$53
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(按白炽灯亮度比例折合)
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$307
|
$297
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$78
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$57
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基于每日六小时用量计算(20年共43,800小时)
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- ^ Philips 60-Watt Household Incandescent Light Bulb. Home Depot.
- ^ EcoSmart 60-Watt Equivalent Eco-Incandescent A19 Household Light Bulb (4-Pack). Home Depot. [5 March 2017].
- ^ EcoSmart 60W Equivalent Soft White (2700K) Twister CFL Light Bulb (4-pack). [20 January 2014].
- ^ EcoSmart 60W Equivalent Soft White A19 Energy Star and Dimmable LED Light Bulb (4-Pack). Home Depot. [12 March 2017].
- ^ Lightbulbs – LEDs and CFLs offer more choices and savings (PDF). ConsumerReports. 2011 [21 January 2014].