While it's highly likely you've heard of double glazing – window made with two panes of glass separated by an air gap for ...

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 ...

Foggy windows might seem like a minor inconvenience at first—a little bit of mist or haze between the glass panes doesn’t ...