Rapid advances in window technology have created a market made up of hundreds of window manufacturers resulting in vast differences in window quality.  How do you know you're getting the best windows available?  All approved Window Wise windows have been tested  and exceed building code standards for air infiltration, water leakage and strength,  and will provide you with energy saving benefits for years to come.

Window Wise randomly inspects registered installations to ensure that only approved windows have been installed.

  Certification Criteria

• High quality, thermally efficient frame and sash components manufactured under specified quality control
• High efficiency, Low-E coated, sealed glazing units with inert gas fill
• Sealed units made with warm edge spacers
• State-of-the-art weather stripping
• Windows are forced-entry rated
• Windows are tested according to CSA A440 specification.
• Test results must meet or exceed         Window Wise minimum requirements for
  • air infiltration
  • water penetration
  • strength (wind load)