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Window Company Serving Seattle, WA & Other U.S. Cities

Window Company SeattleK-Designers is a window company in Seattle unlike any other. Founded in 1978 with just four employees, today, we are one of the largest window installation companies in America with upwards of 750 dedicated men and women on our team. Every year since 1982, our window company has been included in the list of “Top 500” residential remodelers that is published by Qualified Remodeler magazine. We also have a high rating with the Better Business Bureau and many positive customer testimonials. But at the end of the day, it’s the quality of our windows that really sets us apart. The windows that we use are made of heavy-duty rigid vinyl and bear the blue ENERGY STAR logo. ENERGY STAR is a program of the U.S. government established in the early 1990s in order to help people identify energy efficient consumer products such as windows, household appliances, electronics, and building materials.

With K-Designers as your window company, you will have access to some of the finest energy efficient vinyl windows on the market today. Available in colors such as white and desert sand, our windows will improve the appearance of your home and help make it less expensive to heat and cool. Additionally, new home windows from K-Designers:

  • Do not crack, rot, or rust
  • Block outside noise and UV light
  • Are easy to operate and clean
  • Come backed by a lifetime warranty*

To learn more, contact K-Designers, a Seattle window company that’s your trusted source for high-quality, energy efficient vinyl windows. Homeowners in Seattle also turn to K-Designers for when they need a siding company, house painter, or bathroom remodeler.

* A Lifetime warranty applies to the product and is for the life of the original purchaser. If the property ownership changes then the warranty is 50 years prorated from the original installation date. Warranty available upon request.



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