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Double vs. Triple Glass Windows – What’s Best for Your Home?

  • Writer: Tricity windows and doors
    Tricity windows and doors
  • Mar 8, 2022
  • 2 min read

Updated: Jan 23

Upgrading your home with energy-efficient windows is one of the best ways to reduce monthly energy bills. But when shopping for new windows, homeowners often face a common question: double vs triple glass windows – which should I choose? Let’s break down the differences to help you make an informed decision.

Window cross section

What’s the Difference Between Double vs Triple Glass Windows?


Double Glass Windows

  • Feature two panes of glass sealed together with an Argon gas pocket for insulation.

  • Usually include a low-e coating to reflect UV rays, keeping your home cooler in summer and warmer in winter.

  • Affordable and ideal for most residential homes across Ontario.

Triple Glass Windows

  • Add a third pane of glass and a second Argon gas pocket for superior insulation.

  • Also include a low-e layer to reduce heat buildup and slightly reduce noise.

  • More expensive upfront but offer better energy efficiency and condensation control compared to double glass windows.

While triple pane windows provide extra insulation, double vs triple glass windows both have advantages depending on your budget, energy needs, and home layout.


Window sample

Factors to Consider When Choosing Double vs Triple Glass Windows


  • Budget – Triple glass windows cost more initially, so consider your long-term savings versus upfront investment.

  • Energy Efficiency – Triple pane windows retain heat better, which can lower heating costs over time.

  • Length of Stay – If you plan to live in your home for many years, triple glass windows may provide a good return on investment.

  • Summer Heat Issues – Extra low-e coatings on double glass windows can solve overheating problems without the extra cost of triple panes.

  • Noise Reduction – Triple glass windows reduce noise slightly, but for serious soundproofing, laminated windows are a better option.



Kids on the couch looking at the window

Our Recommendation


Choosing between double vs triple glass windows depends on your home, budget, and energy goals. Many homeowners find that double glass windows with extra low-e coatings are sufficient, while others who plan to stay long-term or want maximum energy efficiency prefer triple glass.

If you’re unsure which option is best for your home, TriCity Windows and Doors can help. Our experts provide professional consultations to guide you to the perfect solution.


📞 Call us today for a free consultation: 519-721-2924



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