Local Pittsburgh Window Installation Specialists You Can Trust
Custom Window Replacement Services in Pittsburgh PA – Since 1973
At Window Installation Specialists of Pittsburgh PA, we take pride in being the trusted name in window replacement and installation services for over 50 years. As a top-rated, award-winning contractor, we specialize in Andersen windows Pittsburgh PA, Pella windows Pittsburgh PA, and Marvin window installations, offering unmatched expertise and craftsmanship throughout the Greater Pittsburgh region, including Butler, Allegheny, and Westmoreland counties—from Cranberry to Ligonier and beyond.
Founded in 1973 by Bill and Melissa Kish, our family-owned company has built a reputation for delivering dependable, high-quality window installation specialists Pittsburgh PA homeowners and businesses can rely on. Whether you’re replacing a single unit or outfitting your entire home, we provide custom window replacement solutions tailored to your style, functionality, and energy efficiency needs.
Our expert team specializes in installing all window types including double-hung, casement, awning, sliding, picture, bay, and bow windows, crafted by top brands like Andersen, Pella, and Marvin. From traditional styles to modern aesthetics, we’ll help you choose the perfect fit for your home’s design and budget.
15 Years in a Row!
Why Choose Window Installation Specialists?
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Certified installers of Pella windows in Pittsburgh PA
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Specialists in Andersen window replacement Pittsburgh PA
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Decades of hands-on experience with custom windows and doors
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Master carpenters for precise, long-lasting installations
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Free consultations and detailed, no-obligation estimates
Pella’s Platinum Elite Certified Contractor – The Highest Standard in Window & Door Installation
When you choose a Pella Platinum Elite Certified Contractor, you’re selecting the best of the best. This prestigious designation is Pella’s highest level of certification—awarded to an elite group of contractors who consistently demonstrate exceptional craftsmanship, professionalism, and customer satisfaction. Fewer than 1% of contractors nationwide achieve this level of distinction, making it a true mark of excellence.
As a Platinum Elite Certified Contractor, we’ve undergone extensive training and maintain ongoing education to stay up to date with the latest product innovations, installation techniques, safety practices, and design trends. This ensures your Pella windows and doors are installed to the manufacturer’s exact specifications for optimal performance, longevity, and energy efficiency.
When you see the Pella Platinum Elite logo, you can trust you’re working with a contractor who has been vetted, trained, and proven to meet Pella’s highest standards. It’s not just a badge—it’s your assurance of top-tier quality, integrity, and results.
Andersen Premier Contractor – Trusted Expertise in Window & Door Installation
As an Andersen Premier Contractor, we are proud to be recognized as a trusted expert by one of the most respected window and door manufacturers in the industry. This exclusive designation is only awarded to contractors who meet Andersen’s rigorous standards for quality, customer satisfaction, and installation excellence.
Our team has been hand-selected based on our proven experience with Andersen product lines and our commitment to outstanding service. We stay current with the latest Andersen innovations, installation techniques, and design options—ensuring that every project is completed with precision and care.
When you choose an Andersen Premier Contractor, you’re not just getting windows and doors—you’re getting peace of mind. From product selection to professional installation, we deliver a seamless experience that brings beauty, energy efficiency, and long-lasting performance to your home. Trust the professionals who are backed by the brand homeowners have relied on for generations.
Schedule Your FREE On-Site Consultation Today
If you’re searching for reliable window installation specialists in Pittsburgh PA to install or replace your Andersen, Pella, or Marvin windows, give us a call! Our knowledgeable team will assess your home’s needs, walk you through your best options, and ensure a smooth, professional installation from start to finish.
Contact us today to experience why Pittsburgh has trusted us for nearly five decades!
Home Improvement Hour with Rob Pratte on KDKA (1020AM).
Watch Our Commercial
Ask the Specialist
Bill Kish has been proudly installing Andersen, Marvin, and Pella windows and doors throughout Pittsburgh, PA for nearly 49 years—since April of 1973. With decades of hands-on experience and a deep understanding of premium window brands, Bill is your trusted expert for high-quality window and door replacement projects. Whether you’re upgrading for energy efficiency, style, or durability, don’t hesitate to reach out. Call Bill today at (724) 446-0275
or send your questions he’s here to help you every step of the way.
