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You can repair the seals on double-glazed windows, but it's a delicate and time-consuming process best left to a professional window contractor. If the seal is broken, a glazier must remove one of the panes, thoroughly clean the area to remove contaminants, replace the pane, refill the gap with argon or krypton gas, and reinstall the seal. Repairing your window seals can be more budget-friendly than replacing the entire window.

You can eliminate minor condensation between the panes of double-glazed windows by warming the window with a hair dryer. Keep the hair dryer's nozzle at least six inches from the window and set it on moderate heat to quickly remove condensation. Take note that you should only try this if you're sure you don't have cracks or chips in the window.

Replacing just one pane in a dual-pane window is not recommended because it compromises the sealed system and reduces energy efficiency. Replacing only one side disrupts the thermal barrier of the window, undermining insulation and soundproofing. To maintain the integrity and performance of your window, it's essential to replace both panes.

You can tell that the seal is broken in a double-paned window because moisture gets between the panes and causes condensation or a permanent foggy, misty patch. You may notice drafts and temperature fluctuations, and your HVAC system will likely have to work harder to correct the inefficiency of the windows. You may also find that your windows are harder to open and close.

Double-pane windows enhance energy performance by delivering a 24% efficiency boost in winter and an 18% improvement in summer compared to single-pane windows. They also reduce external noise and maintain a stable indoor temperature, contributing to lower utility costs and enhanced comfort. For full performance, replacing all windows is essential, as partial upgrades offer reduced benefits.

Double-pane windows provide superior insulation and outstanding noise reduction by using two sealed layers of glass with a gap filled with inert gas. They boost home security and durability due to their robust construction while ensuring a consistent indoor temperature. These benefits lead to significantly lower energy bills and enhanced comfort throughout the year.