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  • Writer's pictureThe Window Company

Triple-Pane vs Double-Pane Windows

Pane Windows

Do you have aging windows that need replacement, or are you shopping for windows for your newly constructed home? Whichever the case, your contractor will likely mention multi-pane windows. They may suggest double-pane windows or triple-pane glass/aluminum windows.

Let’s look at how single-pane windows compare to double-pane window or multi-pane windows. We’ll also help you compare double-pane vs triple-pane windows to get the highest energy efficiency performance out of your window installation or replacement project.

Double and Triple Pane Windows Compared

A window pane, also sometimes called glazing, refers to the sheet of glass separating the inside of your home from the outside. Therefore, double and triple-pane windows come with two and three panes, respectively. Unlike single panes, double and triple-pane windows typically have a spacer between them to keep them uniform.

They also either have gas or a vacuum between the panes to help prevent cold air seeping inside, which improves energy savings while acting as a sound barrier.

Energy Efficiency

Investing in double and triple pane windows increases energy efficiency throughout your home. The extra layers of glass, filled with air, drastically reduce energy transfer. Your home will stay cooler in the summer and much warmer in the winter.

Triple pane-windows can be up to 20% more energy efficient than their double-pane counterparts and up to 50% more efficient than a single pane window. If you live in an extremely hot or cold climate, double and triple-pane units can lower your heating and cooling bills significantly.


When compared to double-pane or single-pane windows, a triple-pane window typically costs more. While double-panes offer the best value, the benefits that come with the additional pane make triple-pane windows worth the extra cost. If you plan to stay in your home for at least a decade or more and want to improve your home’s value, installing triple-pane windows may be worth it. They are not only more energy efficient but also look great and will eventually pay for themselves.

Noise Reduction

Both double and triple glazed windows offer significant sound insulation compared to single pane glass. The extra layer between the panes acts like a sound barrier, limiting noise from either side of the window.


A triple-pane or double-pane window adds an extra layer of security to your home. When compared to single-pane sliding glass, double-pane windows are quite secure. A person or object would have to break two sheets of glass to get through your double-pane windows. The third pane of a triple-pane window provides even more security.


If you’re in the market for new windows and wondering whether you should invest in triple-pane or double-pane windows, the short answer is — it depends. What’s best for your property depends on several factors that are all unique to your home and situation. Consider seeking advice from an experienced window company in your area.

Have any questions? Ready to learn more about double and triple-pane windows? Reach out to The Window Company for the expert advice and suggestions you need to reduce your energy costs. We can help you install all the windows on your property.


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