About Us

Kornesczuk Windows & Doors is a family owned business that is led by Jim Kornesczuk. His family is the third generation working in this field. To Kornesczuk Windows & Doors customer care, satisfaction & service is our primary concern. We believe in the products we represent and continually search for the best products in the market. We strive to be more knowlegable than anyone else in the field in the products we represent unlike most replacement window companies. We try to meet the customers needs with the array of products available to us.

We are dedicated to service and product knowledge to build windows and doors for you that highlight those features that are most important to your design. We provide a complete array of services from material only to installations.Over 90% of replacement windows companies will encourage the buyer to choose vinyl replacements. The vinyl choice is appropriate for some, but not over 90%. We are able to provide details that others can't. Just look at some of the possibilities all at competitive pricing:

Frame Options

  • 10 standard colors and unlimited non-standard colors
  • Maintenance free exteriors of vinyl, aluminum, factory painted wood, mahogany, douglas fir, cedar, and stressed wood
  • Interior frames in vinyl, pine, oak, cherry, maple, mahogony, knotty pine, primed, and factory painted wood
  • Unlimited sizes and shapes
  • Historic profiles

Glass Options

  • 20 year seal failure warranty
  • Single pane glass, insul glass, high´┐Żefficiancy glass, sound reducing glass, glass with protection against fading
  • Safety glass, obscure glass, reeded glass, water glass, leaded glass, and many other glass patterns available
  • Simulated divided lites in vinyl windows
  • True Divided Lite
  • Historic True Divided Lites
  • Simulated Divided Lites

Hardware Options

  • Lifetime warranties on all truth hardware
  • 8 different finishes for double hungs
  • 10 different finishes for doors
  • Multi-point security locksets on doors
  • more than 10 grill options and over 30 wood grill profiles
  • Folding handles and tandem locks
  • Hideaway screens for any brand product

     Kornesczuk Windows & Doors
     30W260 Butterfield Rd. #212
     Warrenville, IL 60555

     (630) 393-0993


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