Daylighting simulations are not required for sustainable design or the LEED® process but they are essential to visualizing benefits, which may result in LEED points but more importantly, a better building.
As the rendering demonstrates, a daylighting simulation is a three dimensional model of an interior space. Simulations incorporate direct and diffuse light entering the space through glazing, artificial lighting in the space, objects within the space, as well as exterior and interior shading devices.
Daylighting simulation software lags energy modeling software by perhaps a decade in terms of commercially available products. As a result of this, and the fact that daylighting for energy and occupant performance is quite a new concept, expertise in daylighting simulations is very rare. We believe the benefits of daylighting for both occupant performance and energy efficiency make simulations an essential element of optimal daylighting design.