Verified from the manufacturer’s own documentation · last checked September 18, 2026
| Manufacturer | Andersen |
|---|---|
| Series | 100 Series |
| Frame material | Fibrex composite, not vinyl and not fiberglass. Andersen describes Fibrex as a proprietary composite of reclaimed wood fiber and thermoplastic polymer, stating it is composed of 40% reclaimed wood fiber by weight, most of it reclaimed from the manufacture of Andersen wood windows, and that it is twice as strong as vinyl |
| Styles / configurations | Single-hung, casement, awning, gliding (sliding), picture and specialty shapes, each with its own product page on andersenwindows.com. Andersen also offers 100 Series gliding and hinged patio doors |
| Glass options | Low-E glass options; dual-pane standard with an upgrade to triple-pane Low-E SmartSun reported by dealers. Grille patterns and patterned glass available |
| U-factor | Not published by Andersen as a single range. One dealer page cites a 0.29 U-factor with 0.21 SHGC for a configuration it sells; a third-party guide cites 0.27 to 0.30. Configuration dependent: check the NFRC label on your quote |
| SHGC | Not published by Andersen as a single range. Dealer-cited 0.21 for one configuration. Configuration dependent |
| VT | Not publicly specified |
| ENERGY STAR | Andersen states many 100 Series configurations are ENERGY STAR certified, and certification depends on the glass package and the climate zone rather than on the series as a whole |
| NFRC certification | NFRC-certified performance data is published per product in Andersen's trade product guides |
| Warranty | Andersen Owner-to-Owner limited warranty, which Andersen states is transferable when the home is sold. Dealers consistently describe the 100 Series terms as 20 years on glass and 10 years on non-glass components, with exterior finish covered against flaking, blistering, cracking, pitting, corrosion and loss of adhesion for 10 years. Read the current warranty document at andersenwindows.com/support/warranty before purchase |
| Positioning | Andersen positions the 100 Series as its value line and markets it as the smart alternative to vinyl, claiming Fibrex is twice as strong as vinyl and blocks thermal transfer nearly 700 times better than aluminum |
| Price position | Not publicly specified |
| Installation | Replacement (insert) and new construction; sold through Andersen dealers, certified contractors and the Andersen at Home Depot program |
Notes
Colors: Andersen's specialty-shape page states 5 exterior and 4 interior colors; its 100 Series brochure lists White, Sandtone, Terratone, Dark Bronze and Black as exterior colors. VT not publicly specified. All energy figures are configuration dependent and none of them are Andersen summary values
Sources
Andersen 100 Series product pages for single-hung, casement, awning, gliding, picture and specialty shapes (andersenwindows.com); Andersen 100 Series brochure (Fibrex composition and exterior colors); Andersen warranty page; dealer pages for warranty term detail and dealer-cited NFRC values; a third-party brand guide for unit-only price indication