Glass for windows
Guardian Glass is a global glass manufacturer with decades of expertise in producing high-quality glass for buildings around the world. From iconic architectural projects to residential homes, our glass technologies are designed to help enhance comfort, energy efficiency and natural light.
The same innovations used in large-scale buildings are also used in window glass, helping create bright and comfortable living spaces. Working closely with industry professionals across the value chain, we help bring high-performance glazing solutions from our factories to homes.
Select from the profile type that best fits you
I am a Window Systems Professional
Providing the frame for the window?
We support you in integrating advanced glass technologies into your window framing solution, with access to up-to-date product performance data for your calculation tools, as well as access to our own tools and resources to help you select the right glazing for your window systems.
I am a Window Supplier
You manufacture or sell windows?
Access clear product information, simple tools and educational content to better understand glass performance and help guide your customers in selecting the right glazing for their projects.
I am a Homeowner
Planning to upgrade your windows?
Glass typically represents a large share of a window surface (around 80%), so its performance matter. Choosing the right glass depends on your specific needs and priorities. Explore simple tools and guidance to help you select suitable glazing for your windows.
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Choosing the right window glass for comfort and performance
You might think that glass is just glass—but when it comes to your windows, window glass can play an important role in how you feel at home. Window glass typically represents around 80% of a window’s surface. This means that the type of window glass you choose can significantly influence how your windows perform and, consequently, indoor comfort, energy efficiency, natural light, and even noise levels.
Choosing the right window glass can help limit heat loss in winter, reduce excess heat in summer, and improve overall living conditions. By contrast, poorly performing window glass can contribute to overheating, cold drafts, and excessive energy use. Understanding how window glass works—and selecting the right solution—can help you make informed decisions.
Energy-efficient window glass for year-round comfort
Energy-efficient window glass is designed to help maintain a stable indoor temperature throughout the year. This type of window glass uses advanced coatings to improve thermal insulation and/or solar control while letting in natural light.
Thermal insulation with window glass
In cold conditions, insulating window glass helps reduce heat loss by reflecting warmth back into the room. This is achieved through a thin, nearly invisible coating applied to the glass surface, designed to reduce heat transfer through the glazing while still allowing natural daylight in.
By improving thermal insulation, this type of window glass helps maintain stable indoor temperatures and can contribute to reduced reliance on heating systems, supporting comfort during cold periods.
Solar control window glass for summer comfort
In warm conditions, solar control window glass helps reduce the amount of solar heat entering the home. The same advanced coating technology selectively filters solar energy, reducing heat gains while still allowing a high level of natural light to pass through.
By helping to control solar heat, this window glass supports comfortable indoor environments in summer and can contribute to reduced need for cooling.
Safety and security window glass solutions
Safety and security are important aspects to consider when choosing glass for windows.
Tempered glass is the most common choice for safety glazing. It is four times stronger than non-tempered glass, and when broken, it breaks into small pieces that help reduce the risk of injury due to broken glass.
Laminated glass can also be used to provide improved protection against attempted intrusion. In coastal areas prone to hurricanes, local building codes may require laminated glass for its impact resistance.
Acoustic window glass for noise reduction
If you are exposed to traffic, urban activity, or neighborhood noise, certain window glass configurations can support indoor acoustic comfort.
This can include specific pane thicknesses and spacing within an insulating glass unit (IGU) or, in some cases laminated glass.
By reducing the transmission of external noise, acoustic window glass helps create a quiet and relaxing indoor space.
Choosing the right window glass with Guardian Glass
Selecting the glass for your windows can be complex, as different needs often require different combinations of performance.
The Window Glass Customizer allows you to explore window glass solutions tailored to your home, your location, and your comfort expectations. It helps you understand how different types of window glass can perform in your specific situation.
Window glass also needs to meet the codes and requirements that apply where you live. Beyond national programs like ENERGY STAR, many states and local jurisdictions — such as California's Title 24 — as well as regions across Canada, have their own energy codes. Navigating these requirements can be confusing. Guardian Glass has deep experience helping stakeholders across the value chain understand and meet these regional requirements, so you can select window glass with confidence, wherever you are.
By combining guidance and tools, Guardian Glass helps you make informed decisions when selecting glass for windows.
