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Northern Virginia Home Energy Audits |
703-912-4710
703-328-4057 |
Serving the DC METRO area since 1998 |
Doing Energy Audits to save you money and fix your
problems |
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Saving Money on your
Light bulbs
Lighting accounts for 5-10% of the total electricity used
in the average DC Metro home. While not as much as space
or water heating improvements, the savings potential
for energy and money is still high.
It's the fastest way to energy and dollar
savings around the home is to increase your
home’s overall lighting efficiency.
Cumulative Savings by
Replacing a 75-watt incandescent light bulb with a 20 watt CFL light bulb
| Savings |
after 1 Year |
2 Years |
3 Years |
5 Years |
10 Years |
|
Light on 2 hrs |
$2 |
$4 |
$6 |
$10 |
$20 |
|
Light on 4 hrs |
$4 |
$8 |
$12 |
$20 |
|
|
Light on 8 hrs |
$9 |
$18 |
$27 |
|
|
|
Light on 12 hrs |
$14 |
$24 |
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