Double glazing the windows and doors are getting popular day by day, and many people are using them to get better insulation from various external disturbances and cutting down the energy bills. They are multiple layers of panes fitted in the doors and windows with a gap in between that are often filled with some inert gas to provide better insulation. Depending on the type of insulation required, the difference between the glass and other alternative panes are decided, and they vary from 5 mm to 20mm and can go further up to 150 mm. The Benefits They have multiple benefits. Apart from providing the thermal insulation so that there is no temperature radiation from either side to the other they also cut down the external noise to come inside keeping indoors calm and comfortable to stay. As there is no energy radiation from either side, it reduces the energy bills in no small extent keeping the indoors to have the right temperature. Double glazed windows are also much