KPI Jr Exteriors Window
Installation Services
Upgrade your home with professional window installation services across Pennsylvania and New Jersey. KPI Jr Exteriors is one of the most trusted window installation companies, specializing in new and replacement window installations that improve comfort, curb appeal, and energy efficiency.

Trusted Window Installation Services in PA & NJ
Since 2017, KPI Jr Exteriors has delivered expert window installation, replacement, and repair services tailored to every home. Whether you’re building new, replacing old windows, or looking for energy-efficient upgrades, our licensed team ensures precision, quality, and lasting results.
We proudly serve:
Pennsylvania:
- Bucks County: New Hope, Solebury, Newtown, Washington Crossing, Doylestown, Furlong, Upper Makefield, Lower Makefield, Buckingham, Fairless Hills, Levittown, Langhorne, Langhorne Manor, Northampton, Ivyland, New Britain, Wrightstown, Warrington
- Montgomery County: Villanova, King of Prussia, Gladwyne
- Chester County: Paoli, West Chester
New Jersey:
- Mercer County: Princeton, Pennington, Hopewell, Skillman, Belle Meade, Lambertville
- Monmouth County: Millstone, Colts Neck
- Burlington County: Moorestown, Medford, Marlton, Evesham
- Camden County: Cherry Hill, Collingswood, Haddonfield, Haddon Township, Voorhees
Comprehensive Window Installation Services
KPI Jr Exteriors provides professional window installation services to help you get the perfect blend of style, performance, and value. Since 2017, homeowners across PA and NJ have trusted our team for high-quality window products, expert installation, and dependable service.
We offer a wide range of window installation and replacement services to fit your goals and budget.

New Window Installation
Building a new home or remodeling an existing one? We install premium windows in various styles and materials, all designed for lasting performance and beauty.

Replacement Window Installation
If your old windows are drafty, damaged, or outdated, we’ll help you choose replacement windows. New windows will improve comfort, energy efficiency, and curb appeal.

Energy-Efficient Windows
Our energy-efficient windows can help reduce heating and cooling costs while making your home more comfortable in every season. We’ll show you the best options for your property and budget.

Window Repair and Inspections
From broken glass to worn seals, we provide prompt repairs and inspections to keep your windows working properly. If repairs aren’t enough, we’ll recommend replacement options you can trust.

Types of Windows
We Install
We offer a wide selection of windows to match your home’s design and your personal taste:
- Double-hung windows
- Casement windows
- Bay and bow windows
- Sliding windows
- Picture windows
- Specialty shapes and custom styles
Not sure which is right for you? Our team will guide you through all your choices during your free consultation.
Why Choose KPI Jr Exteriors for
Window Installation Services?
We know you have options when it comes to window installation companies. Here’s why homeowners choose us:

Licensed
We are fully licensed and insured for your protection.

Experienced
Our team has years of hands-on experience installing and replacing windows.

quality
We use premium window products known for durability and performance.

Honest
You’ll get clear pricing and straightforward advice with no surprises.

Committed
Your satisfaction is our priority on every project, large or small.
Our Window Installation
Process
We make replacing your siding simple and stress-free. Here’s what you can expect:
1
Consultation
We inspect your current windows and discuss your needs.
Estimate
You receive a detailed proposal outlining styles, materials, and pricing.
2
3
Installation
Our team installs your windows with precision and care.
Final Inspection:
We review everything with you to ensure you’re completely satisfied.
4
5
Support:
We’re always here if you have questions after your project is complete.
Serving Pennsylvania
and New Jersey
KPI Jr Exteriors proudly provides window installation services to homeowners throughout New Jersey and Pennsylvania.
If you don’t see your area listed, just give us a call; we’re happy to see how we can help.
If you don’t see your area listed, reach out — we’re always happy to see how we can help.
Frequently Asked
Questions
Get Started with a Free Window Estimate
Ready to boost your home’s curb appeal, comfort, and energy efficiency? KPI Jr Exteriors is here to help with expert guidance and professional window installation. Count on us for honest pricing, high-quality materials, and craftsmanship. Call today to get started with a free estimate.
Call Us or request your free estimate online.
(609) 658-9925
KPI Jr Exteriors provides complete window installation services, including new window installations, replacement window installations, window repairs, and energy-efficient upgrades.
Signs include drafts, condensation between panes, difficulty opening or closing, damaged frames, or rising energy bills. If you’re unsure, we offer free inspections throughout Bucks, Montgomery, Chester, Mercer, Monmouth, Burlington, and Camden Counties.
Most projects are completed in one to two days, depending on the number of windows and the type of installation. We’ll give you a clear timeline during your estimate.
Yes. We install ENERGY STAR® certified windows that can help lower heating and cooling costs while improving comfort year-round.
Absolutely. As one of the most trusted window installation companies in PA and NJ, we back our work with strong workmanship warranties and leading manufacturer guarantees.
