In Tucson, it's important to make sure you have the kind of insulated glass units (IGUs) designed for a desert climate. The types of windows popular with our northern neighbors employ high solar gain, low-emissivity (Low-E) glass. Glass Doctor® of Tucson’s Low-E double pane window units are specially designed to keep your home comfortable in a desert environment. The IGUs have an ultra-thin reflective metal coating on the exterior glass that allows ample daylight into your home without excessive heat gain.
Coping with desert temperature fluctuations stresses your windows, and, over time, will cause them to fail. This happens more quickly in cases where windows are of inferior quality or incorrectly installed. The difference between daytime highs and nighttime lows in Tucson is often 30°F or more. This constant cycle of heating and cooling causes the window to expand and contract, which damages the glass and seals. The airspace between the panes becomes compromised and you might see condensation building up inside the window unit.