Window Installation Specialists provides replacement and custom window and doors in Pittsburgh and Southwestern PA homes.

We carry a wide selection of fiberglass, composite, bay, bow and many other styles. We are Pella, Marvin, and Andersen certified and have experienced master carpenters.

Owners Bill and Melissa Kish have operated Window Installation Specialists of Pittsburgh for over 49 years, serving thousands of satisfied customers and have been the proud recipient the last 14 years of the Super Service Award from Angie’s List.

Give Window Installation Specialists a call for a free in-home estimate.


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