Energy Efficiency & Savings

Industry Leaders in Energy Efficiency

In 2019, Andersen received its fifth ENERGY STAR® Sustained Excellence Award, making it the tenth time the company has been recognized by the ENERGY STAR® program. Renewal by Andersen® windows are 14% more energy efficient than the ENERGY STAR® criteria. The Green Seal® certification is another example of the seriousness of our commitment to environmental responsibility.

2019 ENERGY STAR® Partner of the Year for Sustained Excellence

Fibrex Insulation

Using Fibrex® as our framing material ensures the most durable and reliable frame. Providing 700 times better insulation than aluminum, Fibrex® is the best choice for energy savings in your replacement windows. Fibrex® also reduces maintenance costs and reduces waste thanks to a long product life cycle.1

Warm Weather Windows

High-Performance™ Low-E4® SmartSun™ glass is 70% more efficient in summer when compared to ordinary dual-pane glass.2 SmartSun™ glass blocks the Florida heat without blocking the natural daylight, and even protects from 95% of harmful UV rays which helps reduce the fading of carpeting and furniture.

Professional Installation

Renewal by Andersen replacement windows are custom-made to precisely fit your home. Our master installers are prepared for all challenges during the installation — ensuring your windows are sealed from the elements. That’s why our industry-leading limited warranty doesn’t just cover the product and glass, it covers installation too!1

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