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Palos Hills, IL Window Installation & Replacement
Your Window Company in Palos Hills, IL
When upgrading your home with new windows, choosing the right company makes all the difference, especially in a unique and scenic community like Palos Hills, IL. At Welsh Windows Plus, we’ve earned the trust of local homeowners by delivering high-quality window replacement services backed by over 20 years of hands-on experience. Whether you're near Moraine Valley Community College or tucked away in a quiet residential street off 107th Street, our work can be seen in homes across the Palos Hills area and the broader South Chicagoland suburbs.
We proudly install premium products from Pella Windows and Lang Windows, offering Palos Hills homeowners a wide range of stylish, energy-efficient, and long-lasting window options. Unlike companies that outsource their labor, we rely solely on our full-time, in-house team of expert installers, so you’ll get consistent, professional results every time.
With thousands of successful installations under our belt and glowing customer reviews to back it up, our reputation is built on transparency, craftsmanship, and exceptional service. Our no-pressure sales approach means you’ll get clear guidance and honest recommendations—never aggressive tactics or gimmicks.
We believe in complete transparency from start to finish. Take a look at our project gallery to see window transformations from real homes in and around Palos Hills. Still have questions? Our resource center is packed with helpful info about financing, warranties, and the entire installation process to help you make informed decisions.
We’re more than just a window company—we’re part of the Palos Hills community, committed to helping homeowners upgrade with confidence. If you’re ready to improve your home’s comfort, curb appeal, and efficiency, give us a call or fill out our online form to get your free, no-obligation quote today!
Need apartment or condo window replacement in Palos Heights, IL? Welsh Windows Plus specializes in durable, energy-efficient windows designed for multi-unit buildings. Our in-house team of expert installers ensures a seamless, professional installation—no subcontractors, just skilled professionals you can trust. With over 20 years of experience and top-rated reviews, we provide transparent pricing, strong warranties, and a hassle-free process. Explore our gallery for past projects, check out financing options, or visit our resources for expert insights. Call us today or fill out our form for a free quote!
Apartment / Condo Window Replacement

Looking for residential window replacement in Palos Heights, IL? Welsh Windows Plus delivers high-quality, energy-efficient windows with expert installation from our in-house team—no subcontractors, just trusted professionals. With over 20 years of experience and top-rated reviews, we offer transparent pricing, strong warranties, and a hassle-free process. Check out our gallery to see past projects, explore financing options, or visit our resources for expert insights. Call us today or fill out our form for a free quote!
Residential Window Replacement












Why Choose Us
Locally Owned & Made
Rooted in the South Chicago Suburbs. We intimately comprehend the needs and challenges of the local community. We are here to serve our neighbors and friends.
Tailored
Consultation
Whether you're seeking energy-efficient windows, a particular aesthetic, or have budget constraints, we invest the time in understanding your preferences.
Transparent
Process
We provide step-by-step guidance throughout the entire process, ensuring that you remain well-informed at every stage.
Professional Installation
We rely on our in-house installation team, ensuring that your windows are meticulously installed with precision and an unwavering commitment to craftsmanship.
Reviews
Ihab - Chicagoland, IL
“Love the service I received. They were the only ones that came out to look at my one window project where others didn't think it was worth their time. Nothing too big or too small is my kind of business! my window looks perfect and the order and install process was so easy. Also love their payment options. I recommend Welsh for your windows! Can't wait to update some more windows and see about my doors :) thank you Jennifer and Bobby you were great to deal with!"
Phillip - Tinley Park, IL
"So happy with the work done by Welsh Windows Plus. We have had them do window work for us on 2 occasions and could not be more impressed. Excellent work and very professional. We fully intend to work with them in the future on additional projects like roofing and siding."
Melissa - Chicagoland, IL
“Called for an estimate and they were out the next morning. Windows installed that day. Will recommened to anyone that is looking to call them. Bobby made sure to let us know what was needed and they cleaned up once they were done.”