Most homeowners are aware that a home interior’s energy efficiency is partly due to the windows. Depending on its quality and age, a window could help or hurt a home’s ability to trap and release heat. So, what exactly constitutes an energy-efficient window?
Traditional Single-Pane Windows
Typical windows consist of a single pane of glass set in a frame. In the winter, this allows warm air to easily escape through the thin glass. In summer, heat can make its way in from cracks in the caulking.
Studies suggest that heat escapes from a single-pane window at 10x the rate of an insulated wall of the same size. Another report suggests a home loses a fifth of its heat through single-pane windows. Continue Reading →