Cooling Load Factors: lighting power density
lpd 061 to lpd 070
ASHRAE cooling load calculation factors — people heat gain, lighting power density, luminaire heat fractions, motor efficiency, cooking/warewashing appliance heat gain, office/computer equipment heat gain, glazing optical properties, radiative/convective fractions, surface solar absorptance, wall and roof conduction time series (CTS), construction material layer properties, radiant time series (RTS), zone characteristics, and below-grade heat transfer coefficients. Source: ASHRAE Handbook Fundamentals 2021, Chapter 18.
| factor type | item id | lpd W per m2 (W/m2) | space type |
|---|---|---|---|
| lighting power density | lpd 061 | 6.5 | Vehicular Maintenance Area |
| lighting power density | lpd 062 | 9.2 | Worship/pulpit/choir area |
| lighting power density | lpd 063 | 13.5 | Workshop |
| lighting power density | lpd 064 | 5.4 | Dressing/fitting room |
| lighting power density | lpd 065 | 9.3 | Bar/lounge or leisure dining |
| lighting power density | lpd 066 | 8.8 | Mall concourse |
| lighting power density | lpd 067 | 4.3 | Cafeteria or fast food dining |
| lighting power density | lpd 068 | 6.5 | Family dining |
| lighting power density | lpd 069 | 4.7 | All other dining areas |
| lighting power density | lpd 070 | 4.6 | Electrical/Mechanical Roomᶠ |
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