1. Introduction
How much home energy use goes toward the heat loss/gain through the windows in your home? According to the Dept of Energy, windows are responsible for 25%-30% of your thermostat related energy consumption.
In the 70’s and to this day, the insulated glass replacement window has become the mainstream solution to update old single pane wooden sash. However, with recent advances in glazing technology and a growing awareness toward natural resource conservation,