Double glazed window are energy efficient and safe. Double glazed windows are far more energy efficient than single glazed windows. Two glass pane with an aluminum bar separate between them to form insulating glass unit to reduce the amount of heat and safety.

Double glazed windows are with good sound insulation and less condensation. The two glass pane forming into insulating glass, the double glazed windows are with good insulation. The spacer are filled with desiccant to reduce condensation.

Double glazed windows are with flexible design. With double glazed window, the spacer bar could be powder coated finishing with same color of the window frame to achieve the entire harmony. Or even use warm edge spacer, a non-mental spacer, to reduce the heat transmission. Air is between the glass pane, you could pump into argon or krypton gas to update it energy efficiency. You could even make them into low-e coating glass. Those methods improve double glazed windows’ entire energy efficiency without increasing the numbers of glass pane. 

What are the disadvantages of double glazed windows?

Double glazed windows might not match traditional buildings. Double glazing windows are modern, which might not match traditional style buildings.

Double glazed windows trap heat. This is good for winter to keep the room warm while bad in a summer, which you need to pay more energy bills for air condition.

Double glazed windows cannot be repaired. If the condensation occurs inside the glass pane, as they sealed before installing the glass into the frame, there is no way to fix the glass since you couldn’t tear the insulating glass pane apart. Therefore, you might have to replace the windows.

If you have further questions of the advantages and disadvantages of double glazed windows, you could ask for professional consultation for window experts from China WDMA windows.