50 years

Local Pittsburgh Window Installation Specialists You Can Trust

Window Installation Specialists Pittsburgh

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Custom Windows Replacement Services Since 1973

At Window Installation Specialists of Pittsburgh, we award winning installers of Andersen, Pella and Marvin windows providing exceptional window replacement and custom installation services across Pittsburgh and southwestern PA for nearly five decades. Since 1973, owners Bill and Melissa Kish have dedicated themselves to quality, reliability, and outstanding service, earning the trust and satisfaction of thousands of homeowners and businesses throughout the region.

Our team specializes in replacing windows and doors in both residential and commercial properties, delivering tailored solutions that enhance energy efficiency, aesthetics, and functionality. Whether you’re upgrading your home’s curb appeal or seeking high-quality replacements for a commercial space, we carry an extensive selection of top-grade windows and doors from today’s most trusted manufacturers. Choose from a variety of styles, from classic designs to contemporary finishes, to perfectly match your space.

15 Years in a Row!

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Schedule Your FREE On-Site Window Replacement Consultation
If you’re in need of replacement windows, custom windows, or doors in the Pittsburgh area, don’t hesitate to reach out! We offer FREE on-site consultations, where our knowledgeable team will assess your needs, discuss style and functionality, and provide you with expert guidance and a detailed estimate—all at no cost to you.

Call us today to learn more about our quality services and discover why Window Installation Specialists of Pittsburgh has been a trusted name in windows and doors for nearly 50 years.

 

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Home Improvement Hour with Rob Pratte on KDKA (1020AM).

Watch Our Commercial

Ask the Specialist

Bill Kish has been installing windows and doors for nearly 49 years, since April of 1973. If you have questions about your windows, your doors, or your window replacement project, please call Bill at (724) 446-0275, or send him your questions.

 

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Andersen windows

Pella Windows 

 Marvin Windows

Custom Windows