Verified from the manufacturer’s own documentation · last checked September 19, 2026
| Manufacturer | Milgard |
|---|---|
| Series | V300 Trinsic |
| Frame material | Vinyl. Contemporary design with a narrow frame profile and expansive viewable glass. Premium color options, including black interior/exterior and black-exterior with white-interior combinations |
| Styles / configurations | Milgard's operating styles — horizontal slider, single-hung, double-hung, casement, awning, picture and specialty. Confirm the current V300 style range on Milgard's page |
| Glass options | Energy-efficient Low-E glass options; an ENERGY STAR glass package tailored to the buyer's region |
| U-factor | Not published as a single line-wide range; follows the glass package and region. Check the NFRC label on the exact unit quoted |
| SHGC | Not published as a single line-wide range; follows the glass package. Check the NFRC label on the unit quoted |
| VT | Not publicly specified |
| ENERGY STAR | Milgard supplies an ENERGY STAR package tailored to the buyer's region |
| NFRC certification | NFRC-certified performance follows the configuration; check the NFRC label on the exact unit quoted |
| Warranty | For replacement windows manufactured after January 1, 2026, Milgard's Replacement Product Lifetime Limited Warranty applies unless a paid upgrade is on the sales order: frame material covered while the original owner owns and occupies the home (10 years for later owners, rentals and commercial). Insulated glass seal 20 years; laminated/impact delamination 10 years; stress cracks 1 year. Painted/powdercoat and Capstock finishes 10 years. Hardware 10 years; weatherstripping and screens 1 year each. Skilled labor and shipping for claims within 10 years of manufacture, only inside Milgard's service territory. Claims within 30 days. Trinsic is one of the series eligible for Milgard's paid Full Lifetime Warranty upgrade (per Milgard dealer documentation) — it must appear on the original sales order. Trinsic units sold April 2021–2025 had Full Lifetime as standard under Milgard's older warranties. New-construction installs use a separate warranty |
| Positioning | Milgard's premium contemporary vinyl line (a MITER Brands product) — narrow frames, large glass area and modern black-frame options. Positioned above the value-oriented Style Line V250 |
| Price position | Mid-range to premium vinyl (contemporary) |
| Installation | New construction and replacement; sold within Milgard's (Western-US) service territory through Milgard dealers |
Notes
Vinyl, contemporary. Re-verified September 19, 2026 against Milgard's January 2026 Replacement Product Warranty. Correction: the record said '20 years on insulating glass units and components' — hardware is 10 years and weatherstripping/screens/stress cracks 1 year. Upgrade eligibility and the pre-2026 history come from Milgard dealer documentation, not a Milgard page. Milgard sells mainly in the western US. Performance data is style- and glazing-specific — check the NFRC label
Sources
Milgard's own pages — milgard.com/windows/V300 (contemporary vinyl, narrow frame, colors, regional ENERGY STAR package) and milgard.com/warranty (Full Lifetime Warranty and per-series coverage); Milgard / MITER Brands dealer warranty summaries used only to corroborate the per-owner terms and the optional glass-breakage upgrade