Andersen 400 Series: The Industry Standard

By Mark Williams | Exterior Remodeling Expert

When architects, custom home builders, and high-end remodeling contractors talk about premium windows, the conversation almost always starts with the Andersen 400 Series.

As a contractor, I've installed hundreds of these units. The 400 Series is the absolute benchmark for wood-clad windows. It isn't the cheapest, nor is it the most insanely expensive custom architectural window, but it hits the absolute perfect sweet spot of luxury, durability, and customization.

Wood Interiors, Fibrex Exteriors

The 400 Series (specifically the Woodwright® line) offers the perfect compromise for homeowners:

1. The Interior: Solid wood (pine, oak, or maple). You can stain it to match your historic baseboards, paint it crisp white, or leave it natural for a warm, luxurious feel that cheap vinyl simply cannot replicate.
2. The Exterior: While older wood windows rotted from the outside in, the 400 series protects the exterior wood with Andersen's patented Fibrex® material (or vinyl cladding depending on the specific model). Fibrex is a composite of wood fiber and thermoplastic that is twice as strong as standard vinyl, never needs painting, and resists rot perfectly. I've literally never seen a Fibrex frame rot.

Customization and Hardware

One of the main reasons my designers and I love the 400 Series is the massive catalog of options.

• Grilles: You can choose Simulated Divided Lites (SDL) where the grilles are permanently applied to the outside of the glass, creating an authentic, historic look with a deep shadow line.
• Hardware: From Estate™ antique brass to sleek, modern matte black, the lock and lift hardware feels heavy, expensive, and operates with a satisfying, engineered click.
• Glass: Options range from standard Low-E4® glass to SmartSun™ glass, which blocks 95% of UV rays that cause fading to interior furniture and carpets. I almost always recommend the SmartSun upgrade.

Pros and Cons from the Field

My Experience (Pros)

• Aesthetic Superiority: True wood interiors offer unmatched warmth and elegance.
• Durability: The Fibrex/vinyl exterior cladding means you get the look of wood inside without the rotting and peeling exterior maintenance nightmare.
• Resale Value: Name recognition is huge. "Andersen Windows" is a selling point in luxury real estate listings.
• Weather-Tight: Excellent weatherstripping and heavy, solid construction provide fantastic energy efficiency and noise reduction.

My Experience (Cons)

• High Cost: This is a premium product and is priced accordingly. It is significantly more expensive than standard builder-grade vinyl windows.
• Weight: Because they are made of solid wood and heavy glass, the sashes can be significantly heavier to lift than lightweight vinyl alternatives.

Estimated Cost Breakdown

Replacing windows with the Andersen 400 Series is a major investment. Prices fluctuate based on size, glass type, and installation difficulty (e.g., brick vs. siding exteriors). Here is what I am quoting in 2026:

• Double-Hung Window (Standard Size): Expect to pay between $800 and $1,200 per window for the unit alone.
• Installed Cost: When factoring in high-quality professional installation (including flashing, insulation, and interior/exterior trim work), expect the total cost to range from $1,400 to $2,000+ per window.
• Large Picture/Casement Windows: Large specialty windows can easily exceed $2,500+ installed.

When to Choose the 400 Series

If you are replacing windows in a $200,000 starter home, I will be the first to tell you that the Andersen 400 Series is overkill; you won't recoup the investment.

However, if you own a historic home, a high-end luxury property, or simply demand the warmth of real interior wood without the exterior maintenance nightmare, the 400 Series is the safest, most respected investment you can make.

Maintenance & Care

Despite having real wood interiors, the 400 Series is surprisingly easy to maintain:

1. Exterior Cleaning: Wash the Fibrex/vinyl exterior with mild soap and water twice a year. No painting or scraping is ever required.
2. Interior Wood Care: If painted, simply wipe with a damp cloth. If stained, you may need to apply a light furniture polish or re-apply a clear coat every 5-10 years depending on sun exposure.
3. Track Cleaning: Vacuum the sill track regularly to ensure the sash operates smoothly and the weatherstripping seals tightly.

Frequently Asked Questions (FAQ)

What is the difference between the 400 Series Tilt-Wash and the Woodwright? The main difference is the exterior construction. The standard 400 Series Tilt-Wash has a vinyl-clad exterior and epoxy-painted wood on the sash exterior. The Woodwright model uses Andersen's stronger Fibrex composite on the exterior sash and frame, providing a slightly more historic look and better durability.

Do they offer black exteriors? Yes. Andersen offers black exteriors (a highly popular modern trend), and because they use Fibrex rather than standard vinyl, the black color resists fading and warping much better in direct sunlight than cheap black vinyl.

Can I get them with impact-resistant glass? Yes, the 400 Series can be ordered with Stormwatch® protection, which includes impact-resistant glass and structural upgrades for coastal hurricane zones.