Home » Window Installation

Window Replacement & Installation in Long Island, NY

Upgrade your home with professional window replacement and installation services from Exterior Team Roofing LI. We install high-quality, energy-efficient replacement windows designed to improve comfort, enhance curb appeal, and help reduce heating and cooling costs. As a family-owned exterior remodeling company serving Suffolk County and Nassau County, we deliver dependable craftsmanship, competitive pricing, and personalized solutions for every home. Contact us today for a free window installation estimate.

Current Specials

Select a location to see local roofing services and special offers in your area.

Why Choose Us for Window Replacement?

At Exterior Team Roofing LI, we provide professional window replacement and installation services designed to improve your home's energy efficiency, comfort, security, and curb appeal. As a family-owned exterior remodeling company serving Suffolk County and Nassau County, we take pride in delivering quality craftsmanship, dependable service, and long-lasting results.

Energy-Efficient Replacement Windows: High-quality windows designed to improve insulation, reduce drafts, and help lower heating and cooling costs.

Professional Window Installation: Experienced installers ensure proper fitting, weather sealing, and smooth operation for reliable, long-lasting performance.

Quality Materials & Lasting Durability: We install durable replacement windows built to withstand Long Island’s changing weather conditions.

Affordable Pricing & Financing Options: Competitive window replacement pricing and convenient financing options for qualified homeowners.

Family-Owned & Customer-Focused: Personalized service, honest recommendations, clear communication, and attention to detail from start to finish.

Long Island’s Trusted Storm Damage Experts

A+ Rating with the BBB

Trusted by Long Island Homeowners

15+ Years of Experience

Window Installation Near You

Exterior Team Roofing LI provides professional window replacement and installation services throughout Long Island, NY. We proudly serve homeowners across Suffolk County and Nassau County, offering energy-efficient replacement windows, quality installation, competitive pricing, and free estimates.

Don't See Your Town?

Click here

Window Styles You'll Love

Explore our selection of stylish, energy-efficient windows designed to enhance your home's beauty, comfort, and curb appeal.

Double Hung

Double-hung windows feature two movable sashes for better ventilation and easy cleaning. A popular, energy-efficient window option for Long Island homeowners.

Casement

Casement windows open outward for excellent ventilation and natural airflow. Available with left- or right-hand hinges, they provide a tight seal, energy efficiency, and modern style for Long Island homes.

Sliding

Sliding windows glide smoothly from side to side, offering easy operation, natural ventilation, and energy efficiency. Ideal for kitchens, bedrooms, and basements in Long Island homes.

Picture

Picture windows maximize natural light and offer beautiful, unobstructed views. These energy-efficient fixed windows enhance the style, comfort, and curb appeal of Long Island homes.

Elegant Bay Windows

Add natural light, extra space, and curb appeal to your home with beautifully designed bay windows. Exterior Team provides professional bay window installation throughout Suffolk and Nassau County, Long Island.

Arched windows

Add timeless elegance, natural light, and architectural charm to your home with beautifully designed arch windows. Exterior Team provides professional arch window installation throughout Suffolk and Nassau County, Long Island.

What types of windows does Exterior Team install?

We install double-hung, sliding, casement, picture, bay, and specialty windows to complement your home’s style.

Drafts, condensation between glass panes, difficulty opening or closing, and rising energy bills may indicate it’s time for replacement.

Yes! Energy-efficient windows can help reduce heat loss, improve indoor comfort, and potentially lower heating and cooling costs.

Most standard window replacements can be completed within a few hours per window, depending on the installation requirements.

Yes! Exterior Team provides professional window installation and replacement services throughout Suffolk County and Nassau County, Long Island.

Yes! Exterior Team provides professional window installation and replacement services throughout Suffolk County and Nassau County, Long Island.

Frequently Asked Questions About Windows

Schedule a Free No-Obligation
Estimate Today

Ready to improve your home? Trust Exterior Team for quality craftsmanship,
reliable service, and a free, no-obligation estimate.

Click here

Resources

Special Offers

Financing

Warranties

Refer a Friend

Commercial Projects

Company

About

Customer Reviews

Sales Careers

Roofing Tips

Helpful Resources

Does Homeowners Insurance Cover Roof Damage?

Learn More >>

5 Signs Your Roof May Need Replacement

Learn More >>

© 2026 Exterior Team Home Services Inc. All Rights Reserved. | Privacy Policy

0% Interest for
72 Months

On Full Roofing, Siding,
Windows & Gutter
Projects

Terms & Conditions Apply.