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Andersen & Pella Architectural Replacement Windows in Pittsburgh, PA

Architectural replacement windows are built for homeowners who want more than standard. Whether you’re renovating a historic home, upgrading a modern build, or creating a dramatic focal point with oversized glass, Window Installation Specialists installs custom architectural windows from Andersen and Pella—designed for standout style, precision fit, and long-term performance.

Architectural windows can include custom shapes, large picture windows, specialty combinations, modern profiles, premium hardware, and curated finishes—all while delivering strong energy efficiency for Western Pennsylvania weather.

Call for a Free On-Site Estimate:(724) 446-0275

What Are Architectural Replacement Windows?

Architectural replacement windows are design-driven, custom-built windows created to match or enhance the specific style of a home. They’re often used when you need:

  • Custom sizes for large openings, tall ceilings, and vaulted spaces
  • Specialty shapes such as arches, trapezoids, triangles, circles, and polygons
  • Unique combinations with fixed centers and operable side units
  • Premium sightlines with thin frames and modern hardware
  • High-end finishes including custom colors, wood species, stains, and divided lites

Why Homeowners Choose Architectural Windows

  • Create a signature design feature inside and out
  • Maximize natural light and expansive views
  • Increase home value and curb appeal
  • Match historic detail or modern minimalism perfectly
  • Support energy efficiency with upgraded glass options

Top-Selling Architectural Window Lines

Andersen Architectural Windows

Andersen E-Series (Architectural Collection)

Best for maximum customization and design freedom.

  • 50 standard exterior colors plus custom and anodized finishes
  • Multiple interior wood species and stain options
  • Custom shapes, dramatic sizes, and striking combinations
  • Sleek interiors with modern hardware

Great for: statement picture windows, large casements and awnings, modern elevations, and custom architectural assemblies.

Andersen A-Series

Best for premium performance with architectural styling.

Ideal for upscale renovations and larger glass openings where efficiency and aesthetics both matter.

Andersen 400 Series (Architectural Pairings)

Best for cohesive whole-home design with specialty capability.

Often used as a consistent base throughout the home, paired with picture windows and specialty shapes for architectural accents.

Pella Architectural Windows

Pella Reserve

Best for luxury design and curated architectural detail.

Frequently chosen for focal-point windows, statement groupings, and design-driven renovations.

Pella Architect Series

Best for classic architecture with balanced performance.

A strong option for traditional homes and historic neighborhoods where the goal is original character with modern upgrades.

Pella Lifestyle Series

Best for comfort-driven architectural upgrades.

Ideal for multi-window projects focused on efficiency, comfort, and flexible design options.

Architectural Window Styles We Install

  • Awning windows
  • Casement windows
  • Double-hung windows
  • Picture windows
  • Specialty and custom-shaped windows

We also install architectural combinations such as picture centers with flanking casements, round-tops over double-hungs, trapezoids above window walls, and multi-panel assemblies for vaulted spaces.

Energy Efficiency for Architectural Windows

  • Double- or triple-pane insulating glass
  • Low-E coatings
  • Insulated frames and advanced sealing systems

We recommend glass packages based on sun exposure, comfort goals, and window size.

Our Architectural Window Installation Process

  • On-site design consultation and measurements
  • Brand and series selection guidance
  • Custom ordering support
  • Professional removal and structural preparation
  • Precision installation, flashing, and sealing
  • Final walkthrough and cleanup

Call Now for a Free Estimate

Window Installation Specialists
Phone:(724) 446-0275
Email:makish@ncconnect.net
Address: 1968 Mars Hill Rd., Irwin, PA 15642
HIC#: PA003223

E-Series Windows & Doors

Unlimited Possibilities to Create Your Original

Our E-Series windows & patio doors, as part of the Architectural Collection, are made to your exact specifications for unmatched flexibility and design freedom.

  • Choose from 50 standard exterior colors, custom colors and anodized finishes, plus a range of interior wood species and beautiful interior stains
  • Create custom shapes, dramatic sizes and striking combinations
  • Contemporary designs with sleek interiors and modern hardware

Screenshot
a series awning interior

Awning windows

What:The one that cranks open from the bottom

Where: Often placed higher on walls for privacy and air flow

Fun Fact: Can stay open in the rain so you hear the pitter patter & feel the fresh air

a series casement interior

Casement windows

What: The one that cranks open

Where: Popular above kitchen sinks because they’re so easy to open

Fun Fact: Can be as big as 8 ft. tall for more light and fresh air

a series double hung interior

Double-hung windows

What: The one that slides up and down

Where: Often placed… well, everywhere

Fun Fact: One of the most common windows in America

a series picture cat (1)

Picture windows

What: The one that doesn’t open

Where: Often combined with windows that do open

Fun Fact: Great way to frame views and fill your space with natural light

a series specialty

Specialty windows

What: The one that doesn’t open, but comes in fun shapes

Where: Often used as a design statement

Fun Fact: A shape to fit even the most unique personalities

Unlimited Possibilities

Custom colors and beautiful interior wood and stain options provide unmatched flexibility and design freedom.

What’s It Made Of?

Wood with an aluminum exterior to resist water and seal out the elements.

Energy Efficiency

It’s built into every window. We have options to help you meet the performance level you need.

Top 10 FAQs – Andersen & Pella Architectural Replacement Windows Pittsburgh

1. What are architectural replacement windows?

Architectural replacement windows are custom-designed windows built to match or enhance the unique design of a home, including oversized openings, specialty shapes, and custom configurations.

2. What makes architectural windows different from standard windows?

Architectural windows are designed for custom sizes, unique shapes, and design flexibility, while standard windows are typically limited to common sizes and styles. These windows are ideal for creating statement features or fitting non-standard openings.

3. What types of architectural window designs are available?

Architectural windows can include:

  • Arches, circles, triangles, and trapezoids
  • Large picture windows and window walls
  • Multi-window combinations and custom assemblies
  • Modern or traditional design profiles

4. What materials are available for Andersen and Pella architectural windows?

Architectural windows are available in wood, aluminum-clad wood, fiberglass, and Fibrex® composite materials, offering a balance of durability, energy efficiency, and premium appearance.

5. Can architectural windows be customized for my home?

Yes, Andersen and Pella offer extensive customization options including size, shape, colors, finishes, grille patterns, hardware, and glass packages to match both modern and traditional home designs.

6. Are architectural replacement windows energy efficient?

Yes, architectural windows can include double- or triple-pane glass, Low-E coatings, and insulated frames, helping improve comfort and reduce energy costs even with large glass areas.

7. Where are architectural windows typically installed?

Architectural windows are often installed in:

  • Living rooms with large walls or vaulted ceilings
  • Entryways and staircases
  • Modern home elevations
  • Homes with unique or custom designs

They are used to maximize natural light and create focal points.

8. Do architectural windows increase home value?

Yes, architectural windows can significantly increase curb appeal, interior aesthetics, and resale value, especially when used to create standout design features or enhance natural light.

9. Do architectural windows require special installation?

Yes, due to their size, weight, and custom design, architectural windows require professional installation, structural preparation, and precise sealing to ensure long-term performance and stability.

10. Why choose Window Installation Specialists for architectural windows in Pittsburgh?

Homeowners choose us for:

  • Expertise with Andersen and Pella architectural window systems
  • Precision installation for large and custom window designs
  • Experience with both modern and historic homes
  • Free estimates and professional guidance

We focus on delivering custom window solutions that enhance both design and performance.