Orientation/South Facing Windows

One of the things to consider when planning your home is to have your windows facing the south.  The article: Southern Facing Windows

"Passive solar buildings typically have many windows facing the south

Southern facing windows (southern solar glazing) are a vital component for a passive solar design and building."  This article was from "Green Passive Solar Magazine".   It discusses seasonal window considerations and building orientation.
The U.S. Department of Energy also has an article relating to this topic. Energy Savers: Passive Solar Window Design