You'll have several options when updating your residential glass windows. One possibility is double-glazed units. To discover the benefits you'll enjoy, consider the following points. Energy-efficient Home Windows provide a weak barrier to heat transfer, whether it flows inside in summer or escapes in winter. The structure of double-glazed windows — the two panes containing a pocket of air or gas — hinder heat transfer. As a result, your home will be more energy-efficient, and you'll save on energy costs.