Triple-keep track of hurricane window. A triple-track hurricane window incorporates a display and two panes of glass that will all move up and down as necessary. These well known hurricane windows range between $150 to $400 for each window. Two complex useful resource primers on the basic principles of Electricity http://news.unspoilednews.com/story/498485/highperformance-impact-windows-built-to-meet-florida-building-code-standards.html