Claims
REVIEW CLAIMS
More 5-Star Reviews than other leading full service window replacement companies
The Most 5-Star Reviews among leading full service window replacement companies
Review aggregator survey of 5-star reviews among leading national full-service window replacement companies. January 2024 Reputation.com.
More than five hundred thousand homeowners recommend Renewal by Andersen.
Based on Medallia homeowner satisfaction surveys of Renewal by Andersen customers January 2019-December 2023. Average scores between 9 and 10 using Net Promoter Score methodology on all survey questions after installation project completed.
Excellent Customer Service is the number one customer comment.
Based on Medallia homeowner satisfaction surveys of Renewal by Andersen customers 2015–June 2021. Average scores between 9 and 10 using Net Promoter Score methodology on all survey questions after installation project completed.
BRAND CLAIMS
Nation's Best Window and Door Replacement Solution.
Review aggregator survey of the most 5 star reviews among leading national full service window and door replacement companies. January 2024 Reputation.com.
Renewal by Andersen is the nation’s best window and door replacement solution.
Review aggregator survey of the most 5 star reviews among leading national full service window and door replacement companies. January 2024 Reputation.com.
Andersen is America’s most loved brand of windows and doors.
2024 Andersen Brand Survey of U.S. Homeowner.
Andersen is the #1 premium window and door brand.
2024 Andersen Brand Survey of U.S. Homeowner.
Andersen is the #1 recommended window and door brand.
2024 Andersen Brand Survey of U.S. Homeowner.
Andersen is the #1 trusted window and door brand.
2024 Andersen Brand Survey of U.S. Homeowner.
WARRANTY CLAIMS
Renewal by Andersen has the nation’s best warranty coverage.
It is the only warranty among top selling window companies that meets all of the following requirements: easy to understand terms, unrestricted transferability, installation coverage, labor coverage, geographically unrestricted, coverage for exterior color, insect screens and hardware, and no maintenance requirement. Visit renewalbyandersen.com/nationsbest for details.
Renewal by Andersen offers one of the strongest window and door replacement limited warranties you will ever find.
See Renewal by Andersen® Products and Installation Transferable Limited Warranty for details.
Fibrex® material will not crack, pit, corrode, or rot.
See Renewal by Andersen® Products and Installation Transferable Limited Warranty for details.
DURABILITY AND PERFORMANCE CLAIMS
After 20 years, our windows are just as easy to open as the day we installed them.
Based on testing of 10 double-hung units per ASTM E2068 20 years after installation.
Our exclusive Fibrex® material stays strong, even after 20 years of exposure to severe hot and cold temperatures.
Based on testing of 10 double-hung units 20 years after installation.
After 20 years, our windows are just as easy to open as the day we installed them.
Based on testing of 10 double-hung units per ASTM E2068 20 years after installation.
Twenty years after installation, test results show that our windows stand the test of time.
Based on testing of 10 double-hung units 20 years after installation.
Our exclusive Fibrex® material stays strong, even after 20 years of exposure to severe hot and cold temperatures.
Based on testing of 10 double-hung units 20 years after installation.
Renewal by Andersen® windows made with Fibrex® material: no cracking, peeling, or chipping – even after more than two decades of extreme weather.
See Renewal by Andersen® Products and Installation Transferable Limited Warranty for details.
Scientifically proven to stand the test of time.
Based on testing of 10 double-hung units 20 years after installation.
Fibrex® material finish is 12 times thicker than painted vinyl finish.
When Renewal by Andersen® products were tested against five leading competitors’ painted vinyl window products.
Renewal by Andersen® Acclaim™ replacement windows meet the strictest indoor emission standards in the U.S.
The products are Indoor Air Quality Gold certified by SCS global services, based on California Section 01350 Specification.
Fibrex® Material Finish Is 12 Times Thicker Than Painted Vinyl Finish
When Renewal by Andersen® products were tested against five leading competitors’ painted vinyl window products.
ENERGY EFFICIENCY CLAIMS
High-Performance Low-E4® glass is 47% more energy efficient in winter as compared to ordinary dual-pane glass.
Values are based on comparison of Renewal by Andersen® double-hung window U-factor to the U-factor 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.
High-Performance Low-E4® glass is 56% more energy efficient in summer as compared to ordinary dual-pane glass.
Values are based on comparison of Renewal by Andersen® double-hung window U-factor to the U-factor 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.
High-Performance Low-E4® SmartSun™ glass is 70% more energy efficient in summer as compared to ordinary dual-pane glass.
Values are based on comparison of Renewal by Andersen® double-hung window U-factor to the U-factor 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.
High-Performance Low-E4® SmartSun™ glass is 49% more energy efficient in winter as compared to ordinary dual-pane glass.
Values are based on comparison of Renewal by Andersen® double-hung window U-factor to the U-factor 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.
Replacing old windows with ENERGY STAR certified windows lowers household energy bills by an average of up to 13 percent nationwide when replacing single-pane windows.
https://www.energystar.gov/products/res_windows_doors_skylights. Accessed 10/2/24. Savings may vary based on other home insulating attributes.
OTHER
Custom Built in the USA
Using U.S. and imported parts
Our Hassle-Free Process

Step 1
Design Consultation

Step 2
Measure and Manufacture

Step 3
Installation

Step 4
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