Replacement Windows & Doors Installed by Experienced Professionals in Downers Grove, ILarchitect series contemporary

Replacing the windows and doors in your Downers Grove, Illinois, home is a smart investment. If your current windows and doors are outdated, they’re not only detracting from your home’s curb appeal, but also allowing heat to transfer easily in and out of your home. This makes it difficult to maintain comfortable temperatures and can result in skyrocketing energy costs. Replacement windows and doors can change this, but only if you pick the right products and the right company to install them. Fortunately, you’ve found Valdicass Inc. We are window and door replacement experts with more than two decades of experience and a reputation for always putting our customers first. When you partner with us, we’ll install only premium products from the industry leader Pella®, ensuring you receive an exceptional value.

Benefits of Pella Windows

Pella replacement windows lead the industry when it comes to style, energy efficiency, and durability. Made from premium components, including vinyl, fiberglass, or wood frames these windows require minimal upkeep and can withstand decades of exposure to the harsh elements without deteriorating—a claim that Pella backs with some of the industry’s best warranties. You can also be sure that Pella replacement windows will make a great long-term investment, as they are designed to provide unrivaled thermal performance, thanks to features such as multi-pane glass packages, insulated frames, and low-E glass coatings.

What’s more, you’ll get to choose from a wide array of customization options, as well as all of the most popular styles, including double-hung, bay, casement, and even specialty shapes. There’s no limit to what you can create for your home.

Benefits of Pella Doors

The Pella exterior doors that we install, such as our sliding patio, French, and storm doors, have insulating features similar to our windows and provide industry-leading resistance to heat transfer. And, we offer entry doors, which are available in wood, fiberglass, and steel—all of which provide best-in-class security and energy efficiency.

No matter what type of door you need for your home, you’ll be able to customize it to reflect your tastes and match your home’s architectural design. Choose from a wide array of colors, styles, sidelites and transoms, hardware, kick plates, and more.

Benefits of Working with Valdicass

At Valdicass, we go above and beyond to ensure a smooth, stress-free remodeling experience. We’ll take care to properly remove your old windows and doors, perform any required repairs, and install your new products with the utmost precision. Our exceptional attention to detail and commitment to providing the best service has earned us a coveted designation as a Platinum Pella Certified Contractor.

To learn more about the top-of-the-line replacement windows and doors that Valdicass installs for homeowners in Downers Grove, IL, contact us today. And remember to ask about the other home upgrades we offer, including James Hardie siding and custom built porticos.

Why You Should Choose Us

We don’t settle for less than the best when choosing our installers. We invest in skilled and experienced installers that are committed to their craft. Whether it is your home or business, our team will make your investment more valuable.


We don’t settle for less than the best when choosing our installers. We invest in skilled and experienced installers that are committed to their craft. Whether it is your home or business, our team will make your investment more valuable.


You’ll rest easy knowing your project will be led by a Professional crew — a skilled window and door professional who is certified annually by our exclusive installation methods. They lead a team of friendly local installers who go out of their way to help ensure your installation day is hassle-free.

Replacement Window Installation Services Downers Grove, Illinois

Our Pella replacement windows come backed by an incredible transferable limited warranty that covers the entire window – a valuable offer that is hard to come by in our industry. Our window warranty will help ensure your family has peace of mind, and should you decide to sell your home in the future. This unparalleled warranty that is transferable to subsequent property owners is sure to be an appealing selling point to any potential buyers. Don’t worry; the transfer process is quick and straightforward!

The Benefits of Pella Replacement Windows.

We are a Pella Platinum Certified Contractor and are therefore well-versed in window installation best practices.

Read Our Rave Reviews

Valdicass has earned numerous positive reviews for our outstanding service. Read about our customers’ pleasant experiences working with us, then contact us today to learn how we can improve your home. 

“From our first meeting, we knew Valdicass was better than the other teams we were getting quotes from. They took far more measurements and called out small imperfections and problems with the house that may be an issue, which the other companies hadn't even noticed. Our new doors and windows are already making a huge impact on our winter energy bills, and the whole team did a wonderful and meticulous job!”

David S.

“Valdicass installed new windows at my house, and my wife and I couldn't be happier. The quality of the windows are great. Their communication, installation and sales team were really excellent to work with. Their cleanup was also excellent. They arrived on time and completed the job in a shorter timeframe than I would have expected. I would definitely recommend to anybody!”

Bob P.

“I have worked with Valdicass in the past with windows in a prior home and was so pleased that we used them again at our current home. The installers arrived on time and got to work right away. They were also very professional, took care of my furniture very well, and left everything clean after they were done. It’s been over a month since the installation and the windows are working perfectly and look great too. I recommend Valdicass for your next project as you will not be disappointed.”

Eddie G.
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8920 W 47th St
Brookfield, IL 60513

(708) 255-5231

Mon - Fri: 9:00AM - 5:00PM
Saturday: 9:00AM - 3:00PM (By Appointment Only)
Contact Us Today To Request a Free Consultation