Replacement windows in any sized home, add value to the property and save in energy costs. Window replacements have also been found to recoup their costs by up to 91.6% if the home was sold a year after the windows were installed. Nearly all homes built in Las Vegas in the 1970s had single-glazed aluminum windows. It was found that double-glazed insulated glass aluminum windows were more efficient, and in the late 1980s insulated glass windows were required in all new residential home construction. The glass you select is the single most important component when considering energy efficient windows and doors. No other component has as much affect on the type of energy savings you’ll experience in your home. With energy efficient technology becoming more and more advanced for windows, most windows manufactured in the 70s, and even the 90s, have become obsolete. With energy costs rising, The Window Company, a division of The Roofing Company, can promptly help you with your replacement windows and doors.