Jefnik Windows and Doors is your source for new windows and replacement windows. We provide sales and installation of vinyl windows, aluminum windows, fiberglass windows, awning windows, casement windows, single-hung windows, double-hung windows, single-sliding windows, double-sliding windows and picture windows, all available in custom shapes and sizes and in a variety of colour finishes. Jefnik Windows and Doors is based in Mississauga Ontario and proudly serves Mississauga, Oakville, Milton, Brampton, Etobicoke, Toronto and the surrounding GTA.

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"From Your Vision To Installation"

Jefnik Windows & Doors
Phone: 416-669-5943
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2583 Kingsberry Cres
Mississauga, ON L5B 2K7