|
Energy
Efficiency in Action
Even small changes can make a big difference in your business's
bottom line!
Comparing
the Costs Incandescent vs. Fluorescent Lighting
|
100
Watt Incandescent
|
22
Watt Compact Fluorescent
|
|
Light
vs. Heat
|
25%
light / 75% heat
|
75%
light / 25% heat
|
|
Bulb
Lifetime
|
750
hours
|
10,000
hours
|
|
#
Bulbs Required Per Year
|
11
|
.87
|
|
Bulb Cost per Unit
|
$0.75
|
$4.00
|
|
Utility
Rebate1
|
None
|
$2.00
|
|
Electric
Cost per Year2
|
$13.19
|
$2.89
|
|
Annual
Bulb Cost3
|
$1.46
|
$.28
|
Annual Cost to Operate
4 Hours per Day |
$14.65 |
$3.17 |
|
Environmental
Cost
|
(365 lbs. CO2)
|
(80.3 lbs. CO2)
|
1assumes
a rebate of 50% of purchase price
2assumes
an electric cost of $0.065 / kWh
3assumes
it takes 1/2 hours to change a light bulb and labor costs
$12/hour
|
