General Task Publications

Daylighting of Non–Residential Buildings
Daylighting of Non–Residential Buildings
February 2019 - PDF 0.27MB
By: Dr.-Ing. Jan de Boer

Daylight plays a key role in providing a good visual, biologically effective and energy efficient lighting of indoor spaces. Generally, daylight is the light source preferred by humans. Daylight is the major source of regenerative energy for reducing lighting energy consumption. Electric lighting accounts for approximately 15% of the total electrical power consumption and 5% of greenhouse gas worldwide. In nonresidential construction, daylighting – based on distinct evaluation procedures and integrated into diverse energy saving ordinances – has meanwhile become an energy-quantifiable and plannable light source that can be directly offset against the energy requirements for electrical lighting.
 

Task 50 Brochure
Task 50 Brochure
Advanced Lighting Solutions for Retrofitting Buildings
July 2013 - PDF 1.45MB
The overall objective is to accelerate retrofitting of daylighting and electric lighting solutions in the non-residential sector using cost effective best practice approaches, which can be used on a wide range of typical existing buildings.