Why Everybody Should Be Comparing Double Glazed Sash Windows To Single Glazed Windows

By Jason Latham Anyone who is comparing double glazed sash windows to single glazed windows has probably already made up their mind. Of course they want double glazed windows. Everybody wants double glazed windows. What's really happening is the the person who appears to be comparing is really trying to decide if he should take the leap and install the windows he really wants. It's not like he