Window Replacement & Doors Installation Serving La Crosse & Onalaska, WI

Drafty windows and sticking doors are more than a nuisance; they're a drain on your wallet and compromise your home's security. At Firm Foundation Construction, your trusted La Crosse window and door contractor, we install premium, American-made windows and doors that improve your home's energy efficiency, security, and comfort throughout La Crosse, Sparta, Tomah, and Western Wisconsin.

With 14 years of window and door installation experience, we deliver precision installation that ensures maximum energy savings, weather protection, and long-lasting performance. Upgrade your home's comfort, security, and efficiency with professional installation backed by our faith-based commitment to quality.

Premium Window and Door Brands We Install

At Firm Foundation Construction, we partner with two industry-leading American manufacturers known for superior quality, innovation, and performance:

America's Most Innovative Window Company

Founded in 1925, Pella Corporation is one of the oldest window and door manufacturers in America—and they hold more patents for window and door technology than any other company. When you choose Pella windows, you're investing in a century of engineering excellence.

Why Pella Windows Are Superior:

• Patented Technology Leader: More window and door patents than any competitor.
• 100+ Years of Excellence: Trusted American manufacturer since 1925.
• Energy Efficiency: ENERGY STAR® certified with advanced Low-E glass technology.
• Innovative Features: Between-the-glass blinds and Rolscreen® retractable screens.
• Durability: Weather-tested to withstand extreme Wisconsin conditions.
• Low Maintenance: EnduraClad® exterior never needs to be painted.
• Noise Reduction: Advanced insulation reduces outdoor sound by up to 52%.
• Custom Options: Hundreds of design, color, and hardware combinations.

Pella Window Styles We Install

• Double-Hung Windows (Most Popular)
• Casement Windows (Best Ventilation)
• Awning Windows (Rain Protection)
• Sliding Windows (Wide Views)
• Bay and Bow Windows (Architectural)
• Picture Windows (Unobstructed Views)
• Garden Windows (Kitchen Specialty)

Pella Window Warranty

• Lifetime Limited Warranty: Coverage for as long as you own your home.
• Glass Breakage Coverage: 10-year protection against seal failure.
• Transferable: Warranty coverage transfers to new homeowners.
• Installation Warranty: Backed by Firm Foundation Construction’s workmanship guarantee.

Energy Savings With Pella Windows

• Up to $465/year savings on heating and cooling (EPA estimate).
• Triple-pane options for maximum Wisconsin winter protection.
• Low-E SmartSun™ glass blocks 84% of UV rays (protects furniture).

Best for: Homeowners seeking cutting-edge window technology, maximum energy efficiency, and proven American quality backed by over a century of innovation.

ProVia Steel Entry Doors – Highest-Rated Security and Efficiency

ProVia manufactures the highest-rated steel entry doors in America, year after year, combining maximum security, energy efficiency, and stunning design. Made in Ohio, ProVia doors are engineered specifically for harsh climates like Wisconsin's.

Why ProVia Steel Doors Are the Best Choice

• Highest Security Ratings: 20-gauge steel construction (thickest in the industry).
• Superior Energy Efficiency: Polyurethane foam core (6x more efficient than wood doors).
• Weather-Tight Seal: Magnetic weatherstripping keeps Wisconsin cold out.
• Dent and Scratch Resistant: Commercial-grade steel with a textured finish.
• No Warping or Rotting: Steel won't warp, split, or deteriorate like wood.
• Authentic Wood Look: Embossed grain patterns look like real wood doors.
• Made in USA: Manufactured in Ohio with American materials.
• Customizable: Hundreds of design, glass, and hardware options.

Energy Savings With ProVia Steel Doors

• R-value up to 12 (wood doors typically R-2 to R-3).
• Reduces drafts by up to 95% compared to older doors.
• Magnetic weatherstripping eliminates air infiltration.
• Saves $100-200/year on heating and cooling costs.

Security Benefits

• 20-gauge steel resists forced entry.
• Heavy-duty hinges (won't sag over time).
• Optional multi-point locking systems.
• Reinforced deadbolt strike plates.
• Impact-resistant decorative glass options.

Best for: Homeowners prioritizing maximum security, energy efficiency, and lifetime durability with authentic wood appearance and zero maintenance.

Complete Door Solutions

Beyond entry doors, we also install:

• Sliding glass patio doors (Pella and ProVia).
• French patio doors (hinged style).
• Multi-slide patio door systems.
• Energy-efficient Low-E glass options.

• ProVia storm doors (aluminum and steel).
• Retractable screen options.
• Full-view and ventilating styles.
• Enhanced protection for entry doors.

Benefits of New Windows and Doors

• Lower Energy Bills: Save up to $465/year with energy-efficient windows (EPA).
• Improved Indoor Comfort: Eliminate drafts and cold spots in Wisconsin winters.
• Enhanced Security: ProVia steel doors resist forced entry and break-ins.
• Enhanced Curb Appeal: Beautiful designs increase your home's value.
• Increased Property Value: Window and door upgrades deliver 70-80% ROI.
• Noise Reduction: Advanced insulation creates quieter indoor spaces.
• UV Protection: Low-E glass protects furniture and flooring from fading.
• Weather Protection: Sealed units withstand Wisconsin's harsh elements.

Signs You Need New Windows and Doors

• Drafts around window and door frames.
• Condensation between glass panes (seal failure).
• Difficulty opening, closing, or locking.
• High heating and cooling bills.
• Fading furniture and carpets (UV damage).
• Visible rot, warping, or water damage.
• Outdated single-pane windows.
• Windows or doors are 15+ years old.

Our Professional Window and Door Installation Process

Popular Window and Door Styles

• Traditional double-hung (most versatile).
• Modern casement (best ventilation).
• Picture windows (maximum light).
• Bay windows (architectural focal point).
• Slider windows (easy operation).
• Custom shapes (arched, circular, and trapezoidal).

• Classic panel steel entry doors.
• Craftsman-style doors.
• Modern contemporary designs.
• Rustic farmhouse style.
• Decorative glass entry doors.
• Sliding patio doors.
• French patio doors.

Window and Door Installation Service Areas

We proudly serve homeowners throughout La Crosse County, Vernon County, Monroe County, Trempealeau County, Jackson County, and Western Wisconsin, including the following:

• Windows and Doors in Onalaska, WI
• Windows and Doors in West Salem, WI
• Windows and Doors in Holmen, WI

Get Your Free Window and Door Estimate