That’s why all of our OKNA window products are guaranteed by a Lifetime Limited Warranty. If EDI installed OKNA windows in your home, you can rest assured that we will repair any defects in your window, such as:

• Fogged glass 
• Broken operating hardware 
• Any other problems that are guaranteed by the warranty

All warranty guaranteed repairs and replacements are completely free of charge. 

OKNA Windows are the first name in vinyl replacement windows, and are manufactured in the Northeast for a Northeastern climate. 

As the only registered OKNA Window dealer in the Southern Tier and North Eastern Pennsylvania, EDI is proud to offer the best to its customers in this region.