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National Fenestration Rating Council®
- Andersen® windows and patio doors are certified for energy performance by the National Fenestration Rating Council® (NFRC), a nonpartisan coalition of professionals whose purpose is to provide fair, accurate, and credible energy ratings for fenestration products.
helpcenter.andersenwindows.com › aw › sReading the National Fenestration Rating ... - Andersen Windows
Andersen offers glass options for products to make units ENERGY STAR(R) certified in all climate zones. Please Contact Andersen ® Windows and Doors for additional information about our product performance.
- ENERGY STAR
Select Andersen® A-Series windows are recognized as Most...
- Performance Data
Compare performance. Independent testing results for air...
- ENERGY STAR
Select Andersen® A-Series windows are recognized as Most Efficient of ENERGY STAR® in 2024. Specific glass options apply. View list of recognized products (Opens in a new tab)
Compare performance. Independent testing results for air leakage, water resistance, deflection, and more. Andersen crafts and designs high-quality and energy-efficient windows and doors. Use our convenient location finder tool to visit a nearby location to check our selection of products.
Your Andersen dealer can give you NFRC-certified ratings when you order windows and doors. Northern zone: Two options to compliance One unique aspect of meeting ENERGY STAR criteria for windows in the Northern zone is that there are two options to qualify: a primary prescriptive path or an equivalent energy performance path.
Andersen® windows and patio doors are certified for energy performance by the National Fenestration Rating Council® (NFRC), a nonpartisan coalition of professionals whose purpose is to provide fair, accurate, and credible energy ratings for fenestration products.
Mar 28, 2022 · Not all Andersen 400 Series products are energy star rated; ratings change based on geography. Here's how to tell.
Performance Grade Ratings measure product performance throughout window and door units. Andersen® window and patio door units receive independently tested ratings for performance grade and air infiltration.
