Cleaning double-pane windows requires careful attention to avoid damage and ensure streak-free results,” says Thomas Patterson at Glass Doctor. “While the glass itself isn’t inherently ...

That means the window is double-glazed, which is a good thing. But it also indicates the gap between the panes is no longer ...

That’s particularly true if you’re replacing leaky old single-pane windows. Many new double-hung windows are also easier to clean and maintain than their older counterparts, and they can also ...