Because I am obsessive about calculating costs

Mar 08, 2013 00:58





Light Bulb
K-LITE
Phillips 11W
Phillips 10W
GE 13 Watt

Original Price
$0.82
$4.25
$15.97
$14.97
$1.28

Lumens
630
900
830
940
825

Watts
60
14
11
10
13

Life in years (3 hrs/day)
0.91
9.13
22.83
27.40
7.31

Hours
1000
10000
25000
30000
8000

# needed to match longest life
30
3
1
1
4

Kwh per month
5.40
1.26
0.99
0.90
1.17
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Comments 1

izuko March 8 2013, 18:40:37 UTC
1) Glad to see someone measuring by lumens, instead of watts.

2) You forgot to add a row for "expected number of hazmat-team visits."

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