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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）
|
|
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
|
$1.17
|
$0.99
|
$3.99
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| 功率（瓦特）
|
60
|
43
|
14
|
8.5
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| 平均光通（流明）
|
860
|
750
|
775[5]
|
800
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| 光效（流明/瓦特）
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14.3
|
17.4
|
55.4
|
94.1
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| 色温（开尔文）
|
2700
|
2920
|
2700
|
2700
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| 演色性（CRI）
|
100
|
100
|
82
|
80
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| 寿命（小时）
|
1,000
|
1,000
|
10,000
|
15,000
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| 可用年数（每天6小时）
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0.46
|
0.46
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4.6
|
6.8
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| 20年电费（0.11美元/KWh）
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$289
|
$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
|
$259
|
$70
|
$53
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| （按白炽灯亮度比例折合）
|
$307
|
$297
|
$78
|
$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].
