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year, but an example for St. Louis is shown in Figure 19. The other common room lighting hours are shown in Figure 20. The lighting profile for a multi-purpose room is the same as for an office.

Table 21. Default Efficacy by Lamp Type

Incandescent

15

Linear Fluorescent (T5)

104

Linear Fluorescent (T8)

88

Linear Fluorescent (T12)

82

Compact Fluorescent (CFL)

55

Miscellaneous Fluorescent

85

High Pressure Sodium

90

Metal Halide

75

Light-Emitting Diode (LED)

50

Lamp Type

Default Efficacy

Single Family

Multi-Family

Single Family

Multi-Family

Bathroom

1.67

1.68

Kitchen

2.85

2.48

Bedroom

1.11

1.18

Living Room

2.56

2.82

Closet

0.95

0.61

Office

1.45

1.15

Dining Room

2.43

2.97

Outdoor

2.70

N/A

Family Room

1.78

1.22

Utility Room

1.59

1.12

Garage

1.82

N/A

Other

0.78

N/A

Hall

1.45

1.2

Unfin. Bsmt

0.78

N/A

Source:

Navigant Consulting 2002

Room Type

Table 22. Average Lighting Operating Hours for Room Types (based on a sample of 161 homes in the Pacific Northwest)

Operation (Hours/Day/Room)

Room Type

Operation (Hours/Day/Room)

32

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