![]() ![]() However, many homes in America were built in the 1980s, according to the American Housing Survey. Over the last two decades, IGUs have become the standard window option for new construction. Glass Doctor is here to help! Good Panes Gone Bad If you’re considering upgrading from single pane windows or double pane windows or updating worn-out double pane windows, look no further. How to Install or Replace a Double Pane Window These benefits are seen to varying degrees based on the number of windows replaced and other energy saving measures employed. IGUs prevent 25 percent of the sun’s heat from entering your home, reducing glare and UV damage to carpeting, drapes and furniture.This quality is especially valuable to our clients who live in busy, urban areas.A reduction in your home’s energy bill some units save homeowners up to 50 percent in energy expenses.Homeowners who opt to build new construction homes with double pane windows or replace single pane windows in existing structures experience many benefits immediately after installation including: Learn more about glass types on our “All About Glass” page. To further improve the insulating properties of the window, Glass Doctor offers IGUs with argon or krypton gas in the air space and Low-E glass. The twin panes are held in place with a spacer made of moisture-absorbent material called desiccant and the entire unit is sealed to prevent the inner air chamber from escaping. The air pockets in an IGU reduce the windows conductivity resulting in a better-insulated home. Single pane windows do not have air pockets heat passes through glass more readily than air. The Science Behind Modern UnitsĮven though double pane windows are more expensive, given the choice, most homeowners who can opt to install double pane windows or IGUs, which keep your home insulated during the harsh summer and winter months. IGUs keep warm air indoors during heavy winters, cool air in during humid summer and your home quieter all year long. Twice as efficient as a single pane window, IGUs are designed to reduce both energy loss and outside noise, such as street traffic. This could have been a BIG OOPS for a Realtor and a BIGGER UGH for the new homeowner.Double Pane Windows Installation and ReplacementĪ double pane window, also known as an Insulated Glass Unit or IGU, is a window with two panes of glass separated by a vacuum or gas (like argon). In winter, unwanted heat loss within the condo would result as well. It should be noted that the heater was not turned on in the condo and unwanted heat was entering into the condo (ergo, the window had lost its energy efficiency). You can see that the heat emanating from the window, inside was 88.3 degrees. It was a summer day, about 68 degrees outside. Needless to say, my buyer wanted some amount of compensation for this expensive repair.įollowing is a picture taken with a thermal imaging camera. The bid was for the material and installation. I got a bid from a glass company I use frequently and the bid came to $6,560 for 5 double windows and 2 single windows. I FOUND THAT EVERY SINGLE WINDOW IN THIS UNIT HAD FAILED SEALS. That triggered me to look closely at all the windows in the unit. I usually use a damp paper towel and swipe at either side of the glass to make sure the foggy look is not caused by a dirty window.ĭuring this same inspection mentioned above, I found one window that had an obvious, failed seal. Over time, moisture seeps in between the panes of glass and when dried by the sun, look dirty or fogged.ĭuring inspections, I pay close attention to the age of a structure and when applicable, look very closely at dual pane windows of this era (approx. This does not necessarily cause the window to leak. However, dual pane windows installed in the mid 1980’s to early 1990’s, regardless of manufacturer, often developed failed seals. Dual pane windows became required in new construction in the mid to late 1980’s and beyond. The sealed dual pane glass gives it energy efficiency, keeping the inside temperature more constant regardless of the season. ![]() During manufacturing, dual pane windows are filled with a gas, then sealed before installation into a frame. ![]()
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