Professional window replacement installation team installing new energy-efficient windows

Professional Window Replacement Services

Upgrade your home’s comfort, efficiency, and value with energy-efficient window replacement from Paragon Exterior. Our certified window replacement contractors serve Pennsylvania, New Jersey, and Delaware with the region’s best products and installation practices—guaranteed to deliver results that last.

Window Replacement That Transforms Your Home

Old, drafty, or broken windows aren’t just an eyesore—they can drain your wallet through higher energy bills and allow costly weather damage to your home. Paragon Exterior offers full-service window replacement that goes beyond “just new glass.” Our expert team guides you through every step, from window selection to custom measurement, precision installation, and final walkthrough. We install energy-efficient windows that reduce utility costs, eliminate drafts, block noise, and boost your curb appeal.

Whether you’re replacing one window or upgrading your entire home, our window replacement process is built for maximum performance and long-term value. We carry all major brands and window types, including vinyl, fiberglass, wood, and composite. Let us help you select the perfect style, finish, and features to match your needs and your budget.

Window replacement contractor installing new vinyl windows

Every project is backed by our industry-leading warranties and meticulous attention to detail. From insulated glass to custom trim, Paragon Exterior delivers a seamless, stress-free window replacement experience for homeowners throughout the Greater Philadelphia region, South Jersey, and Delaware.

Benefits of Professional Window Replacement

Enjoy immediate and long-term rewards when you invest in new, energy-efficient windows. Discover why thousands of homeowners throughout PA, NJ, and DE trust Paragon Exterior for window replacement.

Benefits of professional window replacement installation
Energy-efficient window replacement benefits

Lower Utility Bills

Energy-efficient windows can reduce heating and cooling costs by up to 30%, thanks to advanced glass, insulated frames, and precision installation that stops drafts and leaks.

Window replacement home value increase

Enhanced Home Value

Window replacement is one of the highest-ROI home improvements, returning 70-80% of your investment and making your home more attractive to buyers.

Window replacement comfort and security benefits

Greater Comfort & Security

Say goodbye to cold spots, hot rooms, and outside noise. Our new windows are built for year-round comfort and come standard with secure locking systems for peace of mind.

Window Replacement Cost and Investment Value

How much does window replacement cost? Most homeowners invest $300-1,500 per window, depending on size, style, and material. Our transparent pricing ensures you know exactly what you’re getting with no surprises—and every quote includes installation, removal, cleanup, and warranty.

Standard Windows

$300-600
per window installed

High-quality vinyl or fiberglass windows. Perfect for homeowners who want modern energy savings and reliability at a reasonable price.

Premium Windows

$600-900
per window installed

Advanced glass, composite or premium vinyl, enhanced warranties, and more custom options for beauty, durability, and maximum performance.

Luxury Windows

$900-1500
per window installed

Custom wood, high-end fiberglass, or specialty architectural windows for luxury homes. Top-tier energy ratings and curb appeal.

Window replacement cost includes professional installation, removal of old windows, and basic trim. Price can vary based on unique installation needs, custom sizes, or specialty finishes. Ask for a free, no-pressure estimate!

Why Choose Paragon Exterior for Window Replacement?

From first call to final walkthrough, our certified window replacement contractors deliver professional service, exceptional products, and a satisfaction guarantee on every window we install. Our clients enjoy industry-best warranties and responsive support—even after the job is done.

Our Proven Window Replacement Process

Every project starts with a thorough consultation and measurement. We help you select the best windows for your needs, secure any necessary permits, and install your new windows with careful attention to detail—leaving your home spotless and more comfortable than ever.

Our Proven Window Replacement Process

Find the Perfect Windows for Your Home

We offer a full selection of window styles and materials: double-hung, casement, sliding, picture, bay and bow, as well as specialty and custom shapes. Choose from leading brands in vinyl, fiberglass, wood, and composite for a look that’s uniquely yours.

Find the Perfect Windows for Your Home

Energy-Efficient Window Technology

Today’s windows use advanced glazing, Low-E coatings, argon or krypton gas fills, and insulated frames to deliver unmatched energy savings and comfort. Ask about ENERGY STAR® rated options for maximum rebates and year-round efficiency.

Energy-Efficient Window Technology

6 Reasons Homeowners Choose Window Replacement

Professional window replacement is about more than appearance—it’s an investment in comfort, efficiency, and long-term value. Here’s why so many local homeowners trust Paragon Exterior.

Dramatic Energy Savings
ENERGY STAR® certified window replacement can cut heating and cooling costs by 20-30% or more.
All-Season Comfort
Say goodbye to cold drafts in winter and stifling rooms in summer with tight-sealing new windows.
Real Estate Value
Window replacement remains one of the most cost-effective upgrades for resale value and buyer appeal.
Improved Security
New windows offer enhanced locks, shatter-resistant glass, and safer emergency exits.
Low Maintenance
Modern windows require little upkeep, resist rot and corrosion, and look great for decades.
Warranty Peace of Mind
Comprehensive warranties on both products and installation are included with every window replacement job.

Types of Windows We Replace & Install

Vinyl Windows

Vinyl windows are America’s #1 choice for energy efficiency, value, and maintenance-free performance. Available in dozens of colors and styles to suit any home.

Fiberglass Windows

Our fiberglass windows offer premium strength, energy savings, and design flexibility. They resist warping and last for decades, even in harsh weather.

Wood Windows

Classic wood windows add timeless beauty and warmth. With today’s treatments, wood windows deliver impressive insulation and longevity.

Composite Windows

Composite windows offer the natural look of wood with the toughness of modern materials, giving you the best of both worlds for performance and aesthetics.

Window Replacement FAQ

Why Homeowners Trust Paragon Exterior for Window Replacement

With decades of exterior expertise, factory-certified installers, and a true commitment to your satisfaction, Paragon Exterior is the window replacement contractor that local homeowners recommend to family and friends. We’re not finished until you’re delighted with your new windows.

Expert Window Replacement Contractors

Our window replacement specialists provide professional installation of energy-efficient windows with precise fitting and superior craftsmanship.

expert window replacement

Quality Window Replacement Materials

We install premium vinyl, fiberglass, and wood windows from leading manufacturers with comprehensive warranties for lasting performance.

quality window replacement

Complete Window Replacement Service

Our window replacement process includes consultation, professional installation, cleanup, and warranties for a hassle-free experience.

complete window replacement
Licensed & Insured
Quality Guarantee
Local Experts
5-Star Service

Get Your Free Estimate Today

Paragon Exterior is revolutionizing the roofing and siding industry. We prioritize quality, trust, and complete transparency — and we’re proud to declare it: the outdated, frustrating aspects of this field are being discarded. At Paragon, we enhance everything that truly matters: communication, craftsmanship, and care. Our mission is straightforward — to be the ideal partner for homeowners before, during, and long after the project is finished. This is how roofing and siding should be: comfortable, honest, and stress-free.