Before a single wall section or structural detail gets drawn, the big decisions about a building's shape, orientation, and footprint have already locked in most of its energy performance. Get these right, and the building practically helps itself. Get them wrong, and no amount of mechanical equipment will fully compensate.

This topic covers how architects make early-phase decisions about massing (the three-dimensional volume and form), footprint (the ground-level shape and coverage), and configuration (how those elements relate to sun, wind, topography, and surrounding context). You'll apply these principles to minimize a project's negative environmental impact while taking advantage of natural features already present on the site.

Think of it this way: a narrow building oriented with its long axis running east-west, positioned to catch winter sun on its south face, starts out ahead of a building that ignores those conditions entirely. The passive strategies you'll learn here, from thermal mass walls that store daytime heat for evening release to footprint decisions that preserve permeable ground for stormwater management, are the foundation that everything else builds on.

On the ARE, Objective 1.3 tests your ability to identify appropriate design responses for a building's location, orientation, massing, footprint, and passive energy use. The questions aren't asking you to design a building from scratch. They're asking whether you can look at site conditions and pick the configuration that makes the most sense for daylighting, energy reduction, and environmental fit. That's a skill every architect uses before pen ever hits trace.