Energy Efficiency

Andersen Corporation’s heritage includes a long-standing commitment to energy-efficient products and environmental stewardship.

In that spirit, Andersen, including Renewal by Andersen, has earned the 2023 ENERGY STAR® Partner of the Year—Sustained Excellence Award for the ninth year in a row, and the fourteenth time Renewal by Andersen has been recognized by the ENERGY STAR® program.

We at Renewal by Andersen are proud to manufacture products that reduce energy consumption, have minimal environmental impact, and will last for years. All of which can help the planet AND your pocketbook. Schedule an in-home consultation and see how you can save.

Find your U.S. ENERGY STAR^® climate zone

Energy Efficiency and Cost Savings

Poor performing windows are an energy drain and can account for a significant percentage of a home’s heat loss in winter and heat gain in the summer.^*
Renewal by Andersen^® window replacement can save you money on your energy bills.

Plus, the great combination of our exclusive Fibrex^® material, High-Performance™ Low-E4^® glass, and expert installation means your Renewal by Andersen windows have excellent NFRC ratings. Our ENERGY STAR^®certified units are available with select glass options.

Environmental Commitment

Green Seal estimates that if all windows in the U.S. were as energy efficient as those made by Andersen Windows, Americans would save up to 2.5 percent of the annual U.S. energy consumption—an estimated 200 gallons of oil for every household in the U.S.

Renewal by Andersen’s sustainable approach to window replacement means Mother Nature smiles just a little bit brighter.

Did you know:

• Renewal by Andersen windows have achieved the highest SCS Global Services-certified recycled content values for windows.

• Our Fibrex^® material frames and sashes contain 40% reclaimed wood fiber by weight—much of that comes from Andersen Corporation’s wood-window manufacturing process.

• Renewal by Andersen and its parent company, Andersen Corporation, were the first window companies to receive the SCS Global Services Indoor Advantage Gold™ certification. This certification is the most rigorous indoor air emission standard in the United States and meets the California Section 01350 Specifications. 

Long-Term Impact

Construction waste is a major source of landfill waste in the U.S. Every day, we replace windows that are less than a decade old. Renewal by Andersen products are designed to stand the test of time and are backed by one of the strongest, fully transferable limited warranties^*** in the business, meaning decades of energy-cost savings for you—and less landfill waste for our planet.

5 Answers to Today's Energy and Environmental Challenges

Renewal by Andersen's approach to sustainable window replacement includes 5 solutions to the top energy and environmental challenges we face today. See our infographic to learn more about how we're making a difference.

Why an Energy Efficient Window is More Than the Sum of its Parts

Installing our ENERGY STAR® certified windows and doors can shrink energy bills—and carbon footprints—by an average of 12% nationwide compared to non-certified products.¹ So, when you’re researching replacement windows and weighing your options, there is one important thing to keep in mind.

Renewal by Andersen NFRC Performance values (PDF)

^{*http://mn.gov/commerce-stat/pdfs/home-energy-guide.pdf accessed March 2020.
** Values are based on comparison of Renewal by Andersen® double-hung insert window SHGF to the SHGC for clear dual pane glass non-metal frame default values from the 2006, 2009, 2012, 2015, and 2018 International Energy Conservation Code. "Glazed Fenestration" Default Tables.
***See warranty for details}

^{1energystar.gov}

“ENERGY STAR” is a registered trademark of the U.S. Environmental Protection Agency.