Triple-observe hurricane window. A triple-track hurricane window features a display screen and two panes of glass that can all move up and down as required. These well-known hurricane windows vary from $150 to $400 per window. The defense furnished by hurricane windows and impact windows differs in a few methods. http://news.northamericanreport.com/story/489637/highperformance-impact-windows-built-to-meet-florida-building-code-standards.html