About Window World Twin Ports Region
We've been serving the Duluth area with quality and service that goes beyond anyone else.
Our Story
Window World Twin Ports Region
Your Local Experts for Energy-Efficient Window Replacement and Installation in Duluth
Locally owned and proudly serving the Twin Ports region, it was founded in 2025 with a simple goal: to provide reliable, high-quality replacement windows and window installation services to homeowners throughout Duluth and surrounding areas.
We specialize in energy-efficient, custom-made windows that enhance your home’s comfort, curb appeal, and long-term value. As part of the nationally trusted Window World family, we combine the strength of national buying power with a deep commitment to local service. This means you get the best of both worlds: premium, USA-made products at competitive prices, delivered by a team who knows and cares about your community.
Our window installation services in Duluth are backed by industry-leading warranties and a strong labor guarantee. Plus, we offer flexible monthly financing options—subject to approved credit—to help make your next project more accessible.
Whether you're replacing a few windows or planning a full exterior remodel, we're here to make the process smooth, professional, and worry-free. At Window World of Twin Ports, we’re proud to be the trusted choice for replacement windows in Duluth and beyond.
Find out what customers are saying about our unbeatable service and quality.
Matt and Sara took care of everything for me! Amazing people, lifetime warranty and super prices. Would use them again and again!!
- Richard
5 44 reviews
The History of Window World
A peek inside the world of Window World.
Window World® is America's largest replacement window and exterior remodeling company, offering quality energy-efficient replacement windows, doors, siding, shutters and more, with over 200 locations nationwide. Despite the ever-changing landscape of the home improvement industry, our promise has remained constant since our start in 1995,“Superior Products, Professionally Installed, at a Guaranteed Low Price.”
Window World has sold over 26,000,000 windows to date, including 1,000,000 windows annually since 2009. In addition to being awarded the ENERGY STAR®, our windows, siding, and doors have earned the Good Housekeeping Seal, an accreditation reserved only for products rigorously tested by the Good Housekeeping Research Institute and verified as trustworthy. As we celebrate over 25 years in the industry, Window World is proud to offer a comprehensive suite of products for a true exterior transformation.
Window World Headquarters
North Wilkesboro, NC
Additionally, through our charitable foundation, Window World Cares®, the Window World Family provides funding for St. Jude Children’s Research Hospital®. Since its inception in 2008, Window World Cares has raised over $22 million for St. Jude. Window World, Inc. also supports the Veterans Airlift Command, a nonprofit organization that facilitates free air transportation to wounded veterans and their families. To date, Window World has sponsored over 115 missions throughout the U.S., surpassing more than $2.5 million in donations and in-kind contributions.
Window World Gives Back
At Window World, we take service seriously.
For us, service extends beyond the customer — it’s about serving the entire community. We believe in putting our money where our heart is, raising financial support for organizations that inspire us to be better people.
Window World Cares
Window World Cares® is a foundation devoted to raising money for St. Jude Children’s Research Hospital®. Since its inception in 2008, Window World Cares has raised over $20 million for the hospital, and we show no signs of slowing down.
Window World CaresWindow World Military Initiative
The Window World Military Initiative defines our company-wide commitment to honor and serve America’s veterans, active military, and military families, across our entire system of over 200 locations.
Window World Military Initiative
We're known for our service — but don't just take our word for it.
We take great pride in delivering top-quality products and unbeatable service. We are respected by customers and experts alike, which is what has helped us become America's largest exterior remodeler. But don't just take our word for it — take theirs.
