
Triple-Pane Window Installation and Replacement at Factory-Direct Prices
TRIPLE PANE WINDOWS
Service Montreal, Laval, the North Shore, South Shore, West Island and Surrounding Areas

STG450 Series
The STG450 Series features a 4½” deep frame with FlexScreen compatibility and a proprietary ventilation system that reduces material overheating. Its depth makes it ideal for renovations, custom homes, and general construction.

Prima Series
The Prima Series features a 3¼” frame depth, making it ideal for renovation projects with limited wall space. With multiple options and accessories, it also works well for new construction.

MAXIMUM ENERGY EFFICIENCY, QUIETER COMFORT & YEAR-ROUND PERFORMANCE
Triple Glass Windows & Patio Doors
Triple-pane windows and patio doors offer significant benefits for homeowners, particularly in terms of energy efficiency, comfort and long-term value. Their enhanced insulation and advanced glazing technology help reduce heat loss, maintain more consistent indoor temperatures and minimize outside noise. Discover the key advantages of upgrading to triple-pane windows and patio doors for a more comfortable, quiet and energy-efficient home.
Why Upgrade to Triple-Pane Windows
Upgrade to triple-pane windows and enjoy superior comfort, energy efficiency and competitive factory-direct pricing. Designed for the Canadian climate, triple-pane windows provide enhanced insulation, reduce heat loss and outside noise, and help maintain comfortable indoor temperatures throughout the year. Their long-term energy savings and durable performance make them a smart and affordable investment for your home.

Improved Energy Efficiency
Triple-pane windows or patio doors significantly improve energy efficiency by reducing heat transfer through a lower U-factor and enhanced insulating performance. The three layers of glass, combined with sealed gas-filled cavities and Low-E coatings, limit conductive and radiative heat loss. This results in improved thermal resistance, reduced HVAC demand, and more stable indoor temperatures—leading to lower energy consumption and operating costs year-round.

Condensation Reduction
Triple-pane windows reduce condensation by increasing the interior glass surface temperature through enhanced thermal resistance (lower U-factor). The multi-pane construction with sealed, gas-filled cavities (argon or krypton) limits heat transfer between indoor and outdoor environments, reducing the likelihood of the glass temperature dropping below the dew point. This minimizes moisture formation on the interior surface and helps prevent condensation-related issues such as mold, rot, and seal deterioration.

Enhanced Noise Reduction
Windows with three layers of glass provide superior acoustic performance by increasing mass and incorporating multiple airspaces that disrupt sound wave transmission. The additional glazing layer and gas-filled cavities (argon or krypton) improve sound attenuation (STC/OITC ratings), reducing exterior noise from traffic and urban environments. This results in a quieter indoor space with enhanced acoustic comfort.

Increased Comfort
Triple glass windows or patio doors enhance indoor comfort by significantly reducing heat transfer and air infiltration. With three layers of glazing and insulated gas-filled chambers (typically argon), they maintain a higher interior glass surface temperature, minimizing cold zones and radiant heat loss. This results in improved thermal stability, reduced drafts, and a more consistent indoor climate throughout all seasons.

Superior Thermal Performance
Windows with three layers of glazing deliver exceptional thermal performance by significantly reducing heat transfer. The multi-layer glass system, combined with gas-filled insulating cavities (argon or krypton) and Low-E coatings, improves overall thermal resistance (lower U-factor). This helps maintain consistent indoor temperatures, reduces heat loss in winter and heat gain in summer, and enhances overall building energy efficiency.

UV Protection & Longevity
Triple-pane windows provide enhanced UV protection through advanced Low-E (low emissivity) coatings that reflect a significant portion of ultraviolet radiation while maintaining visible light transmission. This helps prevent fading and deterioration of interior finishes such as flooring, furniture, and fabrics. The multi-pane construction and sealed insulating glass unit (IGU) also improve durability by reducing thermal stress, minimizing seal failure risk, and extending the overall lifespan of the window system.
Triple Glass Windows & Doors
Built on Trusted Experience. Proven Comfort.

