Everyone loves light and glass in a
home. Sweeping views and good daylighting
sell homes. Conversely, a dark,
windowless space is a big turnoff.
But if a little glass is good, more glass
is not always better. In their enthusiasm
to brighten a space, capture solar gains
or open up a view, designers often use
too much glass.
People always are surprised by how
much discomfort a large bank of glass
can bring. Too much glass in the wrong
places can lead to overheating in spring,
summer, and fall, and to cold drafts and
cold home owners in winter.
Furthermore, if the plan is not wellthought-
out, the light can be harsh, glaring
or blinding at times—making