Calculation Information

Glossary of LPD Terms.

LPD Home Page

Illumenating Engineering Society of North America

Click on a building area type to view the representative building values for that area type.

Note: This software calculates LPD to two decimal places, while the ASHRAE/IESNA 90.1-2004 standard rounds to one decimal place.

Building Area Type Category Average LPD (W/ft2)
Automotive Repair 0.91
Convention Center 1.22
Courthouse 1.19
Dining-Bar Lounge/Leisure 1.26
Dining-Caf‚/Fast Food 1.42
Dining-Family 1.6
Dormitory 1.02
Exercise Center 1.01
Gymnasium 1.12
Healthcare-Clinic 0.99
Healthcare-Hospital 1.23
Hotel 1.02
Library 1.29
Manufacturing 1.26
Motel 1.02
Motion Picture Theatre 1.23
Multi-Family 0.66
Museum 1.11
Office 1
Parking Garage 0.27
Penitentiary 1.02
Performing Arts Theater 1.57
Police/Fire Station 1
Post Office 1.1
Religious 1.28
Retail 1.5
School/University 1.2
Sports Arena 1.08
Town Hall 1.05
Transportation 1
Warehouse 0.82
Workshop 1.39

 


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