November 28, 2023


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All You Actually Need to Know about Triple Glazing

All You Need to Know About Triple Glazing - Fenesta

Triple-glazed windows have three panes of glass sealed within a frame, as the name suggests. They were created to replace double-glazed windows, which merely had two panes of glass linked to one another. In the midst of each of these layers of glass is an air pocket or inert gas. This is a common application for argon gas. You can choose from many different triple-glazed window alternatives on the market. Many companies provide triple glazed windows services at reasonable prices. 


A thin film is placed between the panes of some triple-glazed windows to help with insulation. A low-emissive (or low-E) film is what this is referred to as. Others have a glass in the middle and an inner U-channel that covers the external and internal lutes entirely. A suspended film is attached to another form of triple-glazed window and is heated and tightened to avoid shrinkage and offer flawless clarity.


How Do Triple-glazed Windows Work?

Between the two external glass panes, triple glazed windows feature an additional layer of glass. An inert gas, like xenon or argon, fills the space between the glasses. The triple glazed windows services, however, are much more than meets the eye:

  • The noises and heat interact with the outer layers of the triple glass windows. They are necessary this way to keep the heat contained between the window glass.
  • The inert gas aids in the trapping of both sound and heat waves.
  • The extra layer of glass serves the same purpose as the double-glazed window’s outer layer. As a result, any noise cancellation and temperature control benefits supplied by the double glass window have already been realised. 
  • Heat and noise are trapped in the second layer of inert gas if they pass through the first layer. Finally, the final layer of glass brings them to a standstill.
  • A triple-glazed window is more energy-efficient than a double-glazed window. However, the situation can be reversed: installing and maintaining triple-glazed glass is pricey. This further increases the breakeven point for any and all window investments.
  • The U-value of triple glazing is lower. It is, however, heavier and requires more attention in terms of cleaning and condensation processing on the additional layer of glass between the two glass panes.
  • Regardless of the fact that triple glazed units are more expensive than double glazed units, the savings on total electricity bills far outweigh the cost of purchasing and installing them.


Other Considerations

The most important point to remember is that availing of the triple glazing window service gives you additional privacy by providing a reliable noise cancelling option. Furthermore, triple-glazed windows create a strong construction for your property, enhancing its security requirements regardless of the neighbourhood.

Triple-glazed windows provide a slight improvement over the double-glazed windows. Triple-glazed windows have a lower U value than double-glazed windows, ranging from 0.8 W/m2K to 1.2 to 3.5 W/m2K, which is equivalent to the 1.2 to 3.5 W/m2K spectrum for double-glazed windows.

An additional benefit of the increased layer of glass and the robust structure of the windows is that they have a longer usable life. Triple-glazed windows are less likely to have cracks or damage to the window pane. While you may still experience issues such as blown windows, they will not have a significant influence on the energy savings you will see with the window – at least for the time being.

So, nearly 50 per cent better energy savings for a longer usable life corresponds to more money saved for a longer length of time than double-glazed windows.


The solid structure, noise suppression, and consistent indoor temperatures provide an intangible but crucial benefit: peace of mind. You will always return home to a tranquil and comfortable home, regardless of the temperature or noise outside, while saving energy.