The Importance of Window Wise Certification
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Window Wise is a nationally recognized certification program that has become the gold standard for window installation. Established in the mid-1990s, Window Wise was created in response to the growing issue of improper window installations. Many new replacement windows were being installed without adequate instruction or oversight, leading to issues such as poor insulation, improper window placement within insulated walls, and inadequate sealing.
While the importance of installation was acknowledged, it often didn’t receive the focus it truly needed. Window companies frequently boast about the quality of their products and their latest promotions, but they seldom highlight the significance of proper installation. Here’s an essential building science fact: a window’s performance depends on its installation. If a window is not optimally placed within an insulated wall, with the perimeter properly sealed and insulated, and the anchors (screws) strategically placed to minimize thermal bridging, the window's energy efficiency will be compromised. In such cases, even a high-rated window, when poorly installed, will perform significantly worse than if installed correctly.
Why Choose a Window Wise Certified Installer?
A Window Wise certified window installer and dealer comes with several significant advantages:
- Extensive Training: Window Wise installers and dealers are thoroughly trained and certified to meet the highest installation standards.
- 5-Year Installation Warranty: A full 5-year installation warranty, which is transferable, ensures peace of mind for homeowners.
- Quality Assurance: Random job inspections are conducted to ensure contractor workmanship and exceptional customer service.
- Energy Efficiency: Windows installed by Window Wise certified professionals meet Energy Star standards, ensuring top-tier performance.
- Registration of Installation: Each window replacement project is officially registered to ensure that all product and installation criteria have been met.
Quality Manufacturers: Window Wise Certified
In addition to certifying installers, Window Wise also certifies window manufacturers. Certified manufacturers are often Energy Star certified and produce high-quality products. However, here’s a staggering fact: There are about 2,500 window manufacturers across Canada, yet less than 30 are Window Wise certified. Out of over 10,000 window installation companies nationwide, fewer than 100 have earned the Window Wise certification.
According to Natural Resources Canada, Window Wise is recognized and recommended for its rigorous standards and practices, solidifying the program’s importance in ensuring proper window installation.
Don’t Overlook Installation: A Final Thought
As the saying goes, a system is only as good as its weakest link. When it comes to windows, doors, or skylights, installation plays a crucial role in their overall performance. A poorly installed window can lead to issues such as condensation, cold drafts, or water leakage — and the damage caused by water is often hidden until it becomes costly to repair.
Whenever possible, choose a company that participates in the Window Wise certification program. This quality assurance program ensures that installers are trained to do the job correctly, providing you with long-lasting, energy-efficient windows that can save you money and prevent costly repairs in the future.
For More Information, Contact Encore Windows and Doors:
Phone: 416.410.3017
Website: www.encorewindows.com
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.


