Window Installation in Exton, PA

Custom Window Installation Services in Exton

At O’Donnell, we provide custom window installation services for Exton homeowners who want improved energy efficiency, dependable performance, and a clean, finished look. Our team takes a detail-driven approach to ensure each window is installed correctly and performs reliably throughout every season.

  • Financing Plans Available

  • Manufacturer and Workmanship Warranties

  • Serving Homeowners for Over 100 Years

WHY WAIT? GET A FREE ESTIMATE

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cozy nook in a living room with a large window and many plants

Our Glowing Reviews
Say It All

Your opinion matters to us! We love when a customer chooses to work with us because of a referral or testimonial.

Several years ago we had some specialty roofing work done by O'Donnell and the quality was outstanding. So naturally when it was time to put on a new roof, we turned to…

Samuel G., Havertown

Google

Best Roofers in the area!! Specialize in many other aspects of construction as well!!! From additions to a leak.

Joe G., Havertown

Google

O'Donnell roofing is the most responsive, attentive, dependable company I have ever worked with. The quality of their work is by far the best I have ever worked with, whether you’re a…

Barbara S., Gladwyne

Testimonial

O'Donnell Roofing did an excellent job on replacing the entire roof! They also replaced our gutters and downspouts. The service was also great! Everyone we spoke with was very professional and kind.…

Alfreda R., Broomall

Google

Excellent service and very professional. Met with Mick he was very detailed about his roof inspection, experienced, also explained very thoroughly the roofing process. Roofing crew was very thorough, clean, efficient, and…

Peter D., Plymouth Meeting

Google

From jobs large to small, O'Donnell is the company you want to use for roofing repair and replacement. Their team is rated as the best on the mainline (and beyond) for quality…

Jared G., Ardmore

Google

What a great company to work with. Nate is an excellent communicator, prompt and efficient. I had a hole in the roof that needed to be repaired quickly before the rain. Nate…

Emily G., Havertown

Google

I had a need for a small repair on my roof that O'Donnell installed in 2016. My experience this time around, with the help of Matt Bobryk, was in line with my…

Ian J., Philadelphia

Google

We have used O'Donnell Roofing for roof repairs, installation of a solar exhaust fan and gutter cleaning and repair. They have been excellent! Nate came and gave us estimates that were fair…

Steve C., Narberth

Google

SEE WHAT WE CAN DO FOR YOU

Windows Selected for Durability

At O’Donnell, we understand that long-term window performance starts with choosing products designed for strength and efficiency. That is why we install windows from trusted manufacturers such as Pella, Andersen, and Marvin. These windows are built to handle weather exposure while supporting energy efficiency and architectural consistency. Older windows often allow conditioned air to escape, increasing demand on heating and cooling systems. Our team reviews window styles, frame construction, and glass options to ensure each installation aligns with your home’s structure and insulation. This careful process results in windows that provide lasting comfort, dependable performance, and long-term value.

wooden window and flowery curtains

WONDERING WHERE TO START?

OUR PROCESS MAKES IT SIMPLE

Step One

INTRODUCTION

When you reach out to us, we’ll take the time to get to know a little about you and your home so we can make an appropriate recommendation upfront.

Step Two

INSPECTION & CONSULT

We’ll schedule a time to come to your home and do a thorough inspection. This consultation will give us a better understanding of your situation and what you envision for your home.

Step Three

IDENTIFY THE SOLUTION

After we inspect your home, we’ll identify the best possible solution to get you the results you deserve. This includes getting an accurate estimate in place and signing off on next steps.

Step Four

SOLVING THE PROBLEM

Once you’ve signed the proposal, we can get to work! Whether it’s replacing a damaged roof or getting you new siding or solar panels to enhance your home — we’ll do it all with trust and transparency.

Experience That Guides Every Project

With more than 100 years in the exterior construction industry, our team brings deep experience to every window installation project we complete. We understand how homes are built, how materials age, and how overlooked details can affect long-term performance. To maintain consistent quality, we follow a structured quality control process that includes multiple reviews before installation begins. This preparation helps reduce drafts, moisture concerns, and premature wear. Our experience also allows us to identify potential challenges early and address them properly. We have built our reputation on careful planning, consistent workmanship, and standing behind our work long after installation is complete.

YOUR LOCAL ROOFING EXPERTS

  • Havertown
  • Ardmore
  • Media
  • Broomall
  • Newtown Square
  • Haverford
  • Wynnewood
  • Wayne
  • Berwyn
  • West Chester

Serving Exton With Local Commitment

We proudly serve homeowners throughout Exton and the surrounding Main Line communities. As a local contractor, we are familiar with the architectural styles, construction practices, and expectations common in this area. We also consider local building requirements and regional weather conditions when recommending window solutions. Being local means accountability and continued involvement. Our team is invested in the community and committed to building long-term relationships with homeowners before, during, and well after their projects are completed.

bright living room with wooden floors and large white windows

YOU’VE GOT QUESTIONS

WE’VE GOT ANSWERS

Are your skylights and windows warrantied?

Yes! We warrant our labor for a period of 10 years, along with corresponding manufacturer warranties. Velux skylights offer a 10 yr. No-Leak Warranty, and window warranties vary for each product.

Can I get a free estimate?

Yes we offer free inspections that include an estimate with our recommendations.

Why choose O’Donnell Roofing for your project?

Simply put, we’ve been family owned and operated for almost 100 years. We continue to grow because of our legacy of providing high-quality craftsmanship, honesty, and fair prices to our surrounding areas. Our reputation of professionalism, strong workmanship, and dependability began with C.A. O'Donnell in 1924, and continues four generations later. See for yourself by reading our local Google reviews and testimonials. 

Generations of Quality Customer Care

Get In Touch
Happy young couple with kids outside gray home with new roof