Triple-track hurricane window. A triple-observe hurricane window provides a monitor and two panes of glass that may all move up and down as wanted. These popular hurricane windows vary from $a hundred and fifty to $400 for each window. The conditions hurricane windows and impact windows are routinely applied interchangeably. http://www.olympiajournal.com/news/story/535078/highperformance-impact-windows-built-to-meet-florida-building-code-standards.html