Accreditations
Don’t just take our word for it.
We take great pride in delivering top-quality products and unbeatable service. The respect we earn from customers and experts alike has helped us become America’s largest exterior remodeler. But don’t just take our word for it — take theirs.
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Good Housekeeping
Seal-holding products, like Window World’s windows, vinyl siding, and Therma-Tru doors, are evaluated by the Good Housekeeping Institute (GHI) to verify that all product claims are true and that the products perform as promised. GHI also reviews Qualit
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EPA Lead Certified
Maintaining our Lead Certification means we are trained and regularly undertake the necessary precautions to protect our customers from the potentially harmful effects of lead. During our installation process, we take special care to ensure we contain
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BBB
The Better Business Bureau is the leader in advancing marketplace trust, focusing on integrity and performance. Its work is giving consumers and businesses an unbiased source to guide them on matters of trust, providing educational information and expe
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Energy Star Partner
The ENERGY STAR® program is a joint venture of the EPA and the U.S. Department of Energy. Its goal is to help consumers save money and protect the environment by identifying energy-efficient goods and practices. Products that earn the ENERGY STAR preve
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NFRC
The National Fenestration Rating Council establishes test criteria that set the standard for performance ratings of window and door products. These consistent ratings provide accurate information on the energy performance of windows, doors and skylight
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ASTM
ASTM International, formerly the American Society for Testing and Materials, is the globally recognized leader in the development and delivery of voluntary consensus standards. Its mission is to improve product quality, enhance safety, facilitate marke