The following example illustrates accord’sTM energy cost savings:
Spacing: 10' x 10'
Maintained Average Illuminance: 49 fc
Based on: Room Size: 60' x 80'
Ceiling Height: 10'
Work Plane: 2.5'
Reflectances: 80/50/20
COST PER kWh
Hours of Operation
Per Day Per Year
12 hrs. 4,380
18 hrs. 6,570
24 hrs. 8,760
$0.06
| 4L T8 | 3L T8 |
|
| $16.03 | $7.88 |
|
|
| ||
|
|
|
|
| $24.04 | $11.82 |
|
|
| ||
|
|
|
|
| $32.06 | $15.77 |
|
|
|
$0.08
4L T8 | 3L T8 |
$21.37 $10.51
$32.06 $15.76
$42.74 $21.02
$0.10
4L T8 | 3L T8 |
$26.72 $13.14
$40.07 $19.71
$53.43 $26.28
$0.12
4L T8 | 3L T8 |
$32.06 $15.76
$48.09 $23.65
$64.12 $31.53
$0.14
4L T8 | 3L T8 |
$37.41 $18.36
$56.10 $27.59
$74.81 $36.79
2 lamp 32 Watt T8 accordTM Energy Cost Savings vs. 4 lamp and 3 lamp T8 systems
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