l-e-s-s Tutorial: Lighting Auditing

Predicting Daylighting Hours	l-e-s-s
Use a graph of the form here (relevent for location and working time) to determine the proportion of the year that daylighting will provide sufficient illumination.



Graph derived from: Hunt Availability of Daylight, BRE, 1979
		Results Can be used to determine control savings, eg from Photoelectric Controls

Predicting Daylighting Hours