Do you have single-pane windows now? Poorly insulated? Or double-paned windows that are hazy and unproductive? Let's just look at the real effects of upgrading to double-paned windows.
DOUBLE PANE WINDOWS INSTALLATION AND REPLACEMENT
The major difference between double pane windows and single pane windows is the number of panes used to form the windows. Double-pane windows are formed by two individual panes of glass separated by a coating of insulating gas while on the other hand, Single pane windows are made up of just one sheet or pane of glass.