Replacement Windows for Homes in Eastern Pennsylvania

Free Post-Storm Inspection

Hail, Wind & Storm Damage - Your Insurance May Cover It*

Discover the Right Window Solution for Your Home

Choosing new windows is a big decision because it affects how your home looks, feels, and performs every day. At Lehigh Gap Exteriors, we make the process feel manageable by starting with a real conversation about your home, your style, and what you want your new windows to do. We offer high-quality, energy-efficient replacement windows that are built to perform well in eastern Pennsylvania and fit a wide range of homes and budgets.

Personalization Options

In addition to style, there are several ways to personalize your new windows and make them your own:

Multiple grid patterns
Interior and exterior color choices
Hardware finishes to complement your home’s décor
Wood species and interior materials
Optional insect screens for everyday convenience

How the Window Upgrade Process Works

Lehigh Gap Exteriors makes the window installation process simple and is designed around your needs. Our process includes:

In-Home Assessment: We start by evaluating your current windows, learning more about your home, and talking through your goals, concerns, and priorities.
Design and Quote: Next, we help you compare window styles, materials, colors, and energy-efficient features so you can choose the options that best fit your home. Once selections are made, we provide a clear, transparent quote.
Expert Installation and Final Walkthrough: Your new windows are installed by highly trained professionals who respect your home and follow a clean, well-documented process. When the job is complete, we walk through everything with you to make sure the finished result meets your expectations.

Why Homeowners Choose Lehigh Gap Exteriors

Choosing a window company is about more than comparing products. You want a team you can trust to communicate clearly, do quality work, and stand behind the finished result.

At Lehigh Gap Exteriors, we bring the kind of personal service that’s hard to find with larger chains. As a family-owned company serving Eastern Pennsylvania since 2005, we take pride in helping homeowners feel informed and comfortable.

Our Walnutport showroom also lets you meet our team in person and explore options before making a decision.

We back our replacement windows with a 10-year workmanship guarantee and keep communication straightforward throughout the project. With Better Business Bureau accreditation, five-star Google reviews, and a strong reputation across the Lehigh Valley, we’ve earned the trust of homeowners who want the job done right the first time. See the difference we make by visiting our gallery or reading what local homeowners are saying in our testimonials.

Serving Homeowners Across Eastern Pennsylvania

Lehigh Gap Exteriors proudly provides window installation in Northampton County, Lehigh, Monroe, and Carbon counties. Visit our Walnutport showroom at 800 South Best Ave. to see window styles and options in person and talk with our experts. Interested in other areas we serve? View a full list of service areas.

Inspiration for Windows

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Frequently Asked Questions about Window Replacement

What window brands do you install?

We install the full line of Viwinco windows, offering reliable performance and a wide range of styles.

What window options work best for historic homes in towns like Bethlehem or Easton?

Our customization process includes matching grid patterns, original wood species, and color selections to blend beautifully with local historic architecture.

Can I get financing or a free estimate?

Lehigh Gap Exteriors offers free estimates and showroom consultations, plus low monthly payment options to help fit your budget.

What warranty comes with my new windows?

We include a 10-year workmanship guarantee on every installation. Viwinco’s manufacturer warranty covers the product itself for additional peace of mind.

Get a Free Window Estimate

If you’re ready to upgrade to energy-efficient replacement windows in eastern Pennsylvania, schedule your free estimate with the experts at Lehigh Gap Exteriors. Prefer to browse options in person? Stop by our Walnutport showroom and discuss your vision with our window professionals.