Local Pittsburgh Window Installation Specialists You Can Trust
Custom Windows Replacement Services Since 1973
At Window Installation Specialists of Pittsburgh PA, we are award winning installers of Andersen Windows, Pella Windows and Marvin windows. Providing exceptional window replacement and custom window installation services across the Greater Pittsburgh PA area of Butler Allegheny Westmoreland counties from Cranberry to Ligonier and more 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 Greater Pittsburgh PA region.
Our experienced team specializes in replacing Andersen, Pella and Marvin windows and doors in residential properties like Single Family, Condo, Townhouse, Cottages houses 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 energy savings, we carry an extensive selection of top-grade windows and doors from today’s most trusted manufacturers. Our expert master carpenters are experienced in all types of windows like Double hung, casement, awning, slider, picture, bay, bow and much more! Choose from a variety of styles from classic designs to contemporary finishes, to perfectly match your space.
15 Years in a Row!
Schedule Your FREE On-Site Window Replacement Consultation
If you’re in need of replacement Andersen Pella or Marvin 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.
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.
