Christine Williamson: Why Glazing Matters So Much More Than Insulation | BSFC | AIA

In this video, she explains while we tend to think of a building’s energy efficiency almost entirely in terms of how well insulated it is, the most important factor influencing energy use is not insulation, but glazing ratio (how much of the enclosure is opaque versus glazed). Insulation, of course, still matters! And this presentation runs through some hypothetical scenarios to put glazing and insulation in context so that we can better understand how each relate to overall energy performance.

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