We strategically place windows in a home for three major reasons: providing views, fresh air, and natural light. Despite the need for this, we also need to consider how helpful or harmful the locations of our windows are for our wallet. Something all Floridians need to know is that windows can account for up to 50 percent of heating and air conditioning costs in a home. One of the great things about the Sunshine State is the beautiful weather, but residents can do a few things to save on energy costs in their homes.