Window and Door Replacement in Portland, ME

At Renewal by Andersen, we are your local window and door replacement experts, deeply rooted in the Greater Portland community. As the full-service division of Andersen, we bring a unique understanding of the window and door needs for Maine’s coastal environment and architectural heritage. We are a family business, run like a family business, and we are dedicated to providing homeowners from the historic West End to the Casco Bay coastline with a world-class home improvement experience that honors the character of your home.

Our mission is to deliver a seamless and delightful window and door replacement experience that improves the lives of Portland homeowners. We know that protecting your home from a Nor'easter is just as important as preserving its historic charm. Our goal is to provide superior products and a signature service that enhances your home’s energy efficiency against our cold winters, stands up to the salt air, and adds lasting value, ensuring you have total peace of mind.

For over a century, the Andersen name has stood for quality and innovation. Renewal by Andersen was created to perfect the window replacement process. As a premier Renewal by Andersen retailer, Esler Companies brings that national legacy to Maine with a distinctly local focus. Our history is built on a foundation of trust, master craftsmanship, and a commitment to doing what’s right for our customers, ensuring every project respects the unique story and style of your New England home.

As part of the Esler Companies family, our core values guide every decision. We are passionate about creating a delightful experience for both our customers and our teammates, fostering a culture of care, integrity, and excellence. This people-first approach is why we are a USA Today Top Workplace. We treat your home as if it were our own because our goal is to build lasting relationships within the communities we serve, one beautiful window and door at a time.

Our commitment to excellence has earned us national recognition, including the J.D. Power award for Customer Satisfaction among window and patio door manufacturers. As a multiple ENERGY STAR® Partner of the Year, we are proud to offer some of the most energy-efficient windows on the market, crucial for Maine’s cold climate. Our exclusive Fibrex® composite material offers the classic look of wood required for historic homes but provides twice the strength of vinyl, ensuring it won’t rot, warp, or corrode in our coastal environment.