Tag Archive

Daylighting Reduces Heat Gain – Pantheon Redesign?

By Bob Osten

In our June Photo of the Month article, we talked about the daylighting in the Pantheon. Let’s do some numbers just for fun: on a partly-cloudy March day in the mid-afternoon there will be about 1.2 million lumens streaming through the Pantheon’s 700-square-foot oculus. The interior light levels are fine. If we tried... »

In Defense of Design

By Keith Yancey

Throughout my professional career I’ve always enjoyed making comparisons between good lighting and good food. We obviously need food to sustain our lives, as we need light to sustain our lives. But evaluating “good” lighting on simplistic numerical quantifications such as footcandles or lumens per watt is similar to evaluating a good meal on... »