Best Window Replacement Companies of 2026

Window replacement is one of the most impactful home improvement projects a homeowner can make — and one of the most expensive to get wrong. Inefficient windows cost the average household $200 to $400 more per year in energy costs according to the U.S. Department of Energy, and a poor installation can compound those losses for decades. With the average window replacement running $1,047 per window installed in 2026 — and a whole-house project landing between $8,000 and $18,000 — choosing the right company matters as much as choosing the right window.

We compared the top window replacement companies on product quality, materials, warranty coverage, installation model, energy efficiency, and pricing transparency. Here’s what you need to know before you invite anyone into your home for a quote.

Table of Contents

• How to Choose a Window Replacement Company
• Renewal by Andersen — Best Full-Service Experience
• Pella — Best for Design Flexibility
• Window World — Best Budget Option
• Marvin — Best Premium Fiberglass
• Champion Windows — Best for Bundled Packages
• Window Nation — Best Mid-Range Value
• Side-by-Side Comparison
• Window Replacement Cost Guide 2026
• Window Frame Materials: Which Is Right for You?
• Energy Efficiency and the 25C Tax Credit
• How to Get and Compare Quotes
• Financing Your Window Replacement
• Frequently Asked Questions

How to Choose a Window Replacement Company

Before diving into individual companies, understand the two fundamental business models in window replacement:

Full-service companies handle everything: consultation, manufacturing or sourcing, and installation. You deal with one company from start to finish. Renewal by Andersen and Champion are examples. The advantage is accountability — one company owns every step. The disadvantage is that you often pay a premium for the bundled service and have less flexibility to price-shop installation separately.

Manufacturers sold through dealers or contractors — like Pella, Marvin, and Andersen’s standard product lines — offer more flexibility. You can buy the window and hire your own installer, shop between contractors, or use an authorized dealer. This creates more opportunity to save money, but also more variables to manage and more parties involved if something goes wrong.

Neither model is inherently better. The right choice depends on how much time and attention you want to give the project and how comfortable you are managing a multi-party process.

Renewal by Andersen — Best Full-Service Experience

Renewal by Andersen is the replacement-window subsidiary of Andersen Corporation, a company that has been manufacturing windows since 1903. While the parent company sells through home improvement stores and dealer networks, Renewal by Andersen handles only replacement projects — and manages every step in-house, from the free design consultation to certified installation and cleanup.

What makes it stand out: Every window is custom-built to order from Fibrex, Andersen’s proprietary composite material made from reclaimed wood fiber and thermoplastic polymer. Fibrex is twice as rigid as vinyl and won’t rot, warp, or require painting. Renewal by Andersen was recognized by J.D. Power for highest customer satisfaction among window and patio door manufacturers in 2024. Their warranty is transferable to the next owner — a meaningful selling point at resale.

Cost: $750–$1,250 per window installed based on customer-reported pricing. Some projects run higher depending on window size and complexity. Renewal by Andersen is firmly in the premium tier — you’re paying for the single-company accountability and the Fibrex product, not the lowest price per window.

Warranty: 20-year warranty on glass, 10-year on components, 2-year on installation. Transferable to new owners.

Availability: Most U.S. states; not available in Mississippi or West Virginia.

Best for: Homeowners who want a premium, worry-free turnkey experience and plan to stay in the home long enough to capture the energy efficiency and resale value.

Visit Renewal by Andersen’s website >>

Pella — Best for Design Flexibility

Pella has been manufacturing windows since 1925 and is one of the most widely distributed brands in the country — available through 200+ Pella Window & Door Showrooms, Lowe’s, and independent dealers in 48 states. Their catalog spans seven series with three frame materials (vinyl, fiberglass, and wood), giving homeowners more design options than virtually any competitor.

What makes it stand out: Pella’s premium lines — the Reserve and Architect Series — are built for homeowners who want the warmth and character of real wood interiors. The Impervia fiberglass series delivers commercial-grade durability at a residential scale. The Lifestyle Series is Pella’s most popular product line, balancing performance and price. Pella has a U-factor as low as 0.20 on select products, making it competitive on energy performance.

Cost: $400–$2,000 per window installed, depending on series and installation method. The 250 Series vinyl windows start around $450–$500 installed for standard double-hung units. Premium wood and fiberglass lines can exceed $1,500 per window with professional installation.

Warranty: Limited lifetime warranty on non-glass components (not transferable); 10 years on materials and workmanship.

Installation: You can use Pella-certified contractors or hire your own licensed installer. DIY-friendly for experienced homeowners. The Replacement by Pella program offers a full-service installation option similar to Renewal by Andersen.

Best for: Homeowners who want design options, the ability to shop installation separately, or who favor the Pella brand’s aesthetic reputation — particularly in wood and fiberglass.

Window World — Best Budget Option

Window World operates the largest network of replacement window franchises in the U.S. Their model is built around affordable, no-frills vinyl windows sold in packages of 6, 8, or 12 units with installation included. If you’re replacing all or most of your windows and prioritize cost, Window World consistently delivers the lowest per-unit price of any national full-service company.

What makes it stand out: Simplicity and price. Window World doesn’t make you choose between dozens of series and options — their streamlined vinyl product line keeps costs low. Most products are Energy Star certified, and they offer a lifetime warranty on windows and installation labor that’s competitive with pricier brands.

Cost: $300–$1,300 per window installed. Window World is typically 40–60% less expensive per unit than Renewal by Andersen for comparable vinyl products. The franchise model means pricing varies by location.

Warranty: Limited lifetime warranty on windows and installation. Transferable to next owner.

Note: Windows must be purchased in packages of 6, 8, or 12 — you can’t order a single replacement through Window World. If you only need 2–3 windows, this isn’t the right fit.

Best for: Homeowners replacing most or all windows in a budget-conscious whole-house project with straightforward vinyl needs.

Learn more at Window World’s website >>

Marvin — Best Premium Fiberglass

Marvin is a Minnesota-based manufacturer that has specialized in premium windows for over a century. Their three product lines — Signature (aluminum-clad wood), Elevate (fiberglass-wood hybrid), and Essential (all-fiberglass) — are positioned above mid-market and command prices to match. Marvin windows are sold exclusively through an authorized dealer network, meaning installation quality varies by location.

What makes it stand out: Marvin’s all-fiberglass Essential collection (formerly Integrity All-Ultrex) is one of the most durable and energy-efficient residential window products available. Fiberglass expands and contracts at nearly the same rate as glass, reducing seal failures and thermal stress over decades. Marvin windows are manufactured in the U.S. and carry a strong reputation among architects and high-end builders. Many configurations meet Energy Star “Most Efficient” standards.

Cost: $900–$2,500 per window installed depending on the collection. The Essential line starts around $800–$1,400 installed through Infinity from Marvin’s replacement service. The Signature Ultimate series at the top of the range can exceed $3,000 installed for large or complex openings.

Warranty: Limited lifetime warranty on materials, but coverage terms and labor warranty vary by dealer. Always confirm what your specific dealer’s installation warranty covers.

Best for: Homeowners with higher budgets who prioritize long-term performance, fiberglass durability, and are comfortable working through an authorized dealer network.

Visit Marvin.com to learn more >>

Champion Windows — Best for Bundled Packages

Champion Windows is a full-service national company that manufactures, sells, and installs its own vinyl windows and doors. Like Renewal by Andersen, their model keeps everything under one roof. Champion’s product quality is considered solidly good without reaching the premium tier — they’re a reliable mid-range option for homeowners who want a single-company experience without Renewal by Andersen’s price tag.

What makes it stand out: Champion’s in-house model means installation teams are trained on their specific products. They also manufacture sunrooms and enclosures alongside windows, making them useful for larger home addition projects. A limited lifetime warranty covers both windows and installation labor.

Cost: $900–$1,500 per window installed based on customer pricing data. Higher than Window World but typically below Renewal by Andersen.

Warranty: Limited lifetime warranty. Transferability varies by location — confirm with your local Champion franchise.

Best for: Homeowners who want a full-service experience at a more accessible price than Renewal by Andersen, particularly those interested in both windows and sunroom additions.

See current special offers from Champion Windows >>

Window Nation — Best Mid-Range Value

Window Nation is a regional-to-national installer that doesn’t manufacture its own windows — instead, it works with established brands including Pella, offering what amounts to a contractor-with-brand-selection model. Their sweet spot is providing professional installation of recognized window brands at more competitive pricing than the brands’ own certified installer programs.

What makes it stand out: Window Nation has won Pella’s Certified Contractor Service Excellence Award, suggesting consistent installation quality. 95% of their products are Energy Star certified, and all windows include Low-E glass coatings. Their service model is more flexible than Window World’s package requirement — you can replace fewer windows without being locked into a bulk order.

Cost: $300–$525 per window installed based on customer data, making it one of the better-value mid-range options for homeowners who want brand-name windows without premium full-service pricing.

Best for: Homeowners who want Energy Star-certified Pella or comparable products installed professionally at competitive pricing, without committing to a full-house package.

Side-by-Side Comparison

Window Replacement Cost Guide 2026

Based on data from more than one million homeowner projects tracked by Modernize, the national average window replacement cost in 2026 is $1,047 per window installed — a figure that spans a wide range depending on material, style, brand, and installation complexity.

By frame material

• Vinyl: $330–$700 installed. Low maintenance, good thermal performance, most common material in U.S. homes. Won’t rot or need painting. Limited in premium custom applications.
• Wood: $600–$1,200 installed. Natural warmth and the best appearance for historic or traditional homes. Requires periodic painting or staining. Susceptible to moisture if not well-maintained.
• Fiberglass: $700–$1,300 installed. Strongest and most dimensionally stable frame material. Expands at the same rate as glass, reducing seal failures. More expensive upfront but typically outlasts vinyl by 10–20 years.
• Composite/Fibrex: $750–$1,250 installed. Combines wood fiber with thermoplastic for strength without wood maintenance. Andersen’s proprietary material.

By window style

• Single-hung: $300–$700 installed
• Double-hung: $450–$1,000 installed (most common replacement window)
• Casement: $500–$1,100 installed
• Sliding: $400–$800 installed
• Bay or bow: $1,600–$4,500 installed (multiple panes, structural complexity)
• Picture (fixed): $400–$900 installed

Additional cost factors

• Full-frame vs. insert replacement: Insert (pocket) replacements drop a new window into the existing frame — less expensive and faster. Full-frame replacement removes the entire frame and is necessary when frames are rotted, damaged, or non-standard sized — and adds $100–$300 per window in labor.
• Window accessibility: Upper-floor windows requiring scaffolding, or windows blocked by kitchen/bath fixtures, add to labor costs.
• Lead paint: Pre-1978 homes may require EPA-certified RRP contractors for window frame disturbance. Confirm certification before hiring.
• Number of windows: Volume discounts are common — replacing 10+ windows at once typically yields better per-unit pricing than replacing 2–3.

Window Frame Materials: Which Is Right for You?

The frame material decision shapes both your upfront cost and your long-term maintenance expectations:

Vinyl is the right choice for most homeowners who want low maintenance, good energy performance, and a competitive price. Modern vinyl has addressed most of the expansion/contraction concerns from earlier generations. It won’t rot, peel, or need painting — and it’s the material of choice for most budget-to-mid-range projects.

Fiberglass is worth the premium cost for homeowners planning to stay in the home for 20+ years, especially in climates with extreme temperature swings. Its dimensional stability means fewer seal failures and consistent performance over decades that vinyl windows can’t match at the same age.

Wood is the right aesthetic choice for older homes where character and authenticity matter more than low maintenance. If you’re replacing windows in a Victorian, Craftsman, or Colonial home and want to preserve its original look, wood is often the most appropriate material — just be prepared for the ongoing maintenance commitment.

Energy Efficiency and the 25C Tax Credit

What to look for in energy-efficient windows

Two metrics matter most when evaluating a window’s energy performance:

• U-factor: Measures how well the window resists heat transfer. Lower is better — look for U-factor of 0.30 or below for most climates. The Energy Star “Most Efficient” designation requires U-factors as low as 0.17 in cold climates.
• Solar Heat Gain Coefficient (SHGC): Measures how much solar heat the window admits. In cold climates, a higher SHGC (more solar heat) can reduce heating costs. In hot climates, a lower SHGC reduces cooling loads. Climate zone matching matters.

Look for windows carrying the Energy Star Most Efficient designation — the top performance tier, not just baseline Energy Star certification.

The Section 25C tax credit: what you need to know for 2026

The federal Energy Efficient Home Improvement Credit (Section 25C), which covered 30% of qualifying window costs up to $600 per year, expired for new installations as of December 31, 2025 under the One Big Beautiful Bill (OBBBA) passed in 2025.

What this means:

• Windows installed in 2025 that meet the Energy Star Most Efficient standard remain eligible for the 30% credit (up to $600) when you file your 2025 federal tax return using IRS Form 5695. You’ll also need the manufacturer’s QMID (Qualified Manufacturer Identification Number) on your return.
• Windows installed in 2026 are not eligible for the Section 25C federal credit under current law.

Some states offer their own energy efficiency incentive programs that are separate from the expired federal credit. Check with your state energy office or utility for any available local rebates before purchasing.

Even without the federal credit, energy-efficient windows deliver real financial value through reduced heating and cooling bills — estimated at $101 to $583 annually when replacing single-pane or outdated windows with modern double-pane Low-E units.

How to Get and Compare Quotes

Getting quotes the right way can save thousands of dollars on a window project. Here’s the process that works:

• Get at least three quotes. Pricing for the same window installed in the same home can vary 30–50% between companies. There’s no shortcut to comparison shopping for a project of this scale.
• Compare identical specs. Ask each company to quote the same window style, frame material, and glass package. A cheaper quote that switches you from fiberglass to vinyl isn’t really apples-to-apples.
• Verify license and insurance. Any contractor or installer working in your home should carry a current state contractor’s license and general liability insurance. Ask for both before signing anything.
• Understand the warranty structure. Ask specifically: what does the product warranty cover? What does the installation warranty cover? How long is each? Is the product warranty transferable if you sell the home?
• Confirm lead paint handling. If your home was built before 1978, ask whether the company holds EPA RRP (Renovation, Repair, and Painting) certification. This is a federal requirement, not optional, when disturbing painted surfaces in pre-1978 homes.
• Watch out for high-pressure tactics. One-day-only pricing, steep discounts that disappear if you don’t sign immediately, and unsolicited door-to-door sales pitches are red flags. Reputable companies don’t pressure you.

If you’re funding the project through your home’s equity, our HELOC calculator can help you estimate borrowing capacity, and our home equity for home improvements guide walks through your financing options.

Financing Your Window Replacement

Most major window companies offer their own financing — typically promotional plans through lending partners. These can be attractive (0% APR for 12–24 months is common) but read the fine print: deferred interest plans penalize you retroactively if you don’t pay the full balance before the promotional period ends.

For larger whole-house projects, homeowners with equity often find a HELOC or home equity loan to be a lower-cost, more flexible financing option than contractor financing. HELOC rates as of May 2026 average around 7.10%, and interest on funds used for home improvements may be tax-deductible. See our HELOC vs. home equity loan guide for a full comparison of options.

Frequently Asked Questions