1.0 INTRODUCTION 1.1 Background of the Study

The  history  of  daylighting  in  architecture  is punctuated by major developments, such as the discovery of new structural systems which allowed  larger  openings,  and  hence  better natural  lighting. Arguably, however, the one single event which could be considered pivotal, but also detrimental to the role of daylighting in architecture, was the invention of fluorescent lighting in the mid-1930s (Oksanen, 2017). This gave the architect virtual carte blanche (complete freedom) to design deep, windowless spaces, in which lighting levels were consistent no matter where an occupant was located. No longer was the building necessarily designed to take advantage of natural light, and architects were thus deprived of an important design element, one which their predecessors had considered so vital to the crafting of their architecture (Barret, 2014). Learning how to use daylighting, efficient lights, and good controls to both reduce energy demands and make people happier and more productive. The sun is predictable and daylight can be a very reliable source of light. Sunlight, views, and daylight are different though, and need to be carefully managed. Daylighting, or using sunlight to illuminate your building, is an effective way to both decrease your building’s energy use and make the interior environment more comfortable for people. In commercial buildings, electric lighting accounts for 35 – 50% of total electrical energy consumption (Autodesk, 2015). Strategic use of daylight can reduce this energy demand.  Daylight also improves people’s comfort and productivity.

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