IES LM-83-12

Approved Method: IES Spatial Daylight Autonomy (sDA) and Annual Sunlight Exposure (ASE)

Illuminating Engineering Society , 2012

Publisher: IES

File Format: PDF

$99.00$198.92


IES LM-83-12 was created to develop a new suite of metrics capable of describing multiple important dimensions of daylighting performance in an existing building and a new design, from concept through construction documents. The intent of these new climate-based metrics is to improve on the predictive performance of historical metrics, such as Daylight Factor and define a consistent calculation methodology that would allow for multiple design alternatives of proposed designs, daylit buildings, and/or climatic locations to be compared, in a consistent manner.

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