Advanced Lighting Guidelines Glossary
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Item
Definition
U-value The heat transfer coefficient of a building component and is the magnitude of heat flow through that component per unit… More »
Ultrasonic Occupancy sensing method that detects occupancy by transmitting ultrasonic energy throughout the space and measuring the return frequency. Original Chapter… More »
Underwriters Laboratories An independent non-profit, nongovernmental product safety certification organization, accredited by the US Occupational Safety & Health Administration (OSHA), the American… More »
Unified glare rating (UGR) Metric developed by the CIE intended to predict discomfort glare. Values range from 5 to 30 with the higher the… More »
User Training Part of the commissioning process for a building system, this step, which occurs at the end of the construction project… More »
USGBC United States Green Building Council Original Chapter Source: Policies & Programs More »
ALL A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

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