Strategically planning which window to get for what room can go a long way toward saving money on your custom windows. The reverse is true about windows on the shady side of the house. The side of the house that gets a lot of sun, for example, is more suitable for windows with higher Solar Heat Gains and lower U-Factor. Consider the purpose of different windows in different rooms. This, of course, has an effect on the window prices as well. Low-E coatings, foam in the interior window frame, and Argon or Krypton gas fills can help improve a double-pane windows’ performance and bring it up to the new standard. These windows comply with international standards in order to be considered efficient in different climate zones. You can check out a list of all ENERGY STAR rated windows on this Natural Resources Canada website. If you want to get a quality replacement, consider investing in ENERGY STAR rated windows. Good manufacturers usually adhere to quality certification programs such as NAMI and NFRC. Another important factor is the process followed to manufacture the glass units. The majority of manufacturers offer triple pane glasses with an overall thickness of ”7/8 opposed to a 1” 1/4 or 1” 3/8 which is the most effective triple glass configuration. When selecting triple glaze windows need to consider the overall IG thickness. This explains in part why triple-glazed products can be up to 50% more efficient than double-glazed Natural Resources Canada. (See exhibit 1) Designed for new construction and replacement projects, triple paned windows can achieve an R value as high as 8 depending on window types and glass packages. As a comparison, an Energy Star–rated window with double panes with an R-value of 3 when increasing the Rvalue from 3 to 5, the average heat loss through the window is reduced by 30% to 40% percent. This means that replacing double-paned units with triple-paned windows reduces heating costs. This applies to both double and triple pane windows.Ĭombined with the insulating properties of an additional pane, these features make your window even more efficient, and your home more comfortable.ĭouble-pane windows have an R-value ranging from 3 to 3.8, while triple-paned windows have an R-value of up to 7- 8, making them more effective at blocking heat flow. Pretty much all windows manufactured in Canada today utilize low-emissivity coatings to improve the performance and efficiency of the window. In reality, though, the coating is applied during the manufacturing of the windows and at a molecular level. To an untrained eye, low-emissivity coatings look like a window tint or film. Makes sense.īut another benefit of triple pane windows over double is that the extra pane allows for the utilization of additional Low-E coatings. Compared to double-pane units, triple-pane windows allow less heat to escape, have less condensation, and are more soundproof. The additional pane of glass in the window creates a better insulating barrier. How are triple-pane windows better than double-pane? Furthermore, differing glass thicknesses disrupt sound wave patterns, enhancing noise-blocking properties. This structure effectively dampens sound transmission while the added mass reduces vibrations. Thanks to their configuration, triple-glazed units excel at noise reduction, featuring three layers of glass separated by insulating gas-filled spaces. Triple Pane Window Triple Pane Windows and Noise ReductionĪnother reason homeowners often consider triple pane windows over double pane is because of their improved noise-reduction features. Argon and Krypton gas fills are usually used between the panes for additional efficiency. The introduction of additional panes in a window also led to the invention of insulated glass units (IGUs) sometimes referred to as sealed units. A sealed unit combines the multiple panes of a window with an energy efficient spacer into one. Double-pane and triple-pane windows come with two or three panes respectively. A window pane, also sometimes referred to as glazing, is quite literally the sheet of glass separating the inside of your home from the outside. To answer this question fully, let’s define what a pane is. Let’s take a look at how the two window types compare and ways you can get the highest energy efficiency performance out of your replacement project. Compared to double pane, triple pane windows not only make your home more comfortable when installed correctly they also improve the home’s energy efficiency, keep your house warmer in the winter, cooler in the summer, and less reliant on the central air system. When shopping for new windows customers often ask whether they must get triple pane windows or double pane windows.
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