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2026 Best Window Replacement Brands
Which window brand is best? We can help you find your home's perfect fit!
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Updated: Written by: Kristine GillReviewed by: Kate Pospisil
Home window installation is a significant investment for most homeowners, whether it’s for replacement or new construction windows. With many brands offering innovative solutions, the window industry has evolved, providing modern upgrades to meet the diverse needs of homeowners.
The best window brands typically range from $300 to $3,700+ per window installed, depending on material (vinyl, fiberglass, composite, wood-clad), size, glass package, and local labor. Choose based on your priorities: energy efficiency, style, warranty, and total project budget.
We rank the best window replacement brands using a weighted scoring model based on performance, value, durability, warranty, brand reputation, installation compatibility, and real-world suitability.
Our analysis draws from manufacturer specifications and warranty documentation, ENERGY STAR® program data, publicly available performance certifications, installer feedback, homeowner reviews, and market pricing data reviewed in 2026. Modernize does not accept payment for rankings placement, and partner relationships do not influence brand scores; our goal is to help homeowners compare options with clear criteria and consistent evaluation standards.
Best For: Homeowners prioritizing architectural customization, fiberglass durability, and high-end materials.
Marvin Windows
4.2/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Marvin Windowswas founded in Northern Minnesota in 1904 and now provides a diverse range of customizable windows, including specialized options like their storm-resistant Coastal Collection, across their 8 U.S. factories. Their windows — crafted from wood, fiberglass, and extruded aluminum — are available exclusively through independent local retail partners. Marvin Windows prides itself on quality craftsmanship and is known for offering unique and custom designs for uncommon windows such as skylights and other specialty shapes.
Marvin earned its 4.2-star rating for premium build quality, architectural customization, and outstanding durability.Good fit if: You want premium fiberglass or wood windows with custom sizing and design flexibility.
Not ideal if: You need budget-friendly options or widely available retail pricing.
What We Love
Made in the USA
Strongest fiberglass
High thermal efficiency
Limited warranty
Watch Out For
Premium pricing
Few budget options
No vinyl options
Homeowners can expect to pay between $400 to $1,600 per window for standard-sized Marvin windows, though prices can vary significantly based on the chosen series, window type, and customization options.
Essential (fiberglass): $700 to $2,200
Elevate (wood interior / fiberglass exterior): $900 to $2,800
Signature Ultimate (wood/clad): $1,200 to $3,500+
Signature Modern (aluminum): $1,500 to $4,000+
The Infinity from Marvin collection is acclaimed for its blend of durable Ultrex fiberglass and elegant design, offering a variety of styles that withstand harsh conditions while maintaining aesthetic appeal, making it a prime choice for stylish, resilient window options. The Infinity collection includes both windows and patio doors, designed with their proprietary Ultrex fiberglass that is 8 times stronger than vinyl.
Best For: Long-term homeowners seeking premium wood-clad windows with strong resale value and transferable warranties.
Andersen Windows
4.1/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Andersen is frequently considered one of the best window brands thanks to its long-lasting construction and strong warranty coverage. The company’s Owner-to-Owner® limited warranty includes 20 years on glass and 10 years on non-glass components and transfers between homeowners, offering added peace of mind.
Andersen earned its 4.1-star rating for exceptional craftsmanship, energy efficiency, and timeless design versatility.Good fit if: You want nationwide availability, broad style options, and a well-established installer network.
Not ideal if: You’re looking for low-cost vinyl windows or minimal upfront pricing.
What We Love
Made in the USA
Energy efficient
Smart home security
Up to 20 years, transferable warranty
Watch Out For
Expensive compared to other brands
Limited vinyl line
Inconsistent pricing depending on retailer
Andersen windows range in price depending on the series, window style, and installation complexity.
The Andersen 400 Series is celebrated for its exceptional quality, offering a wide array of styles and sizes, and ensuring notable energy efficiency and durability. It stands out for its elegant design and reliable performance, making it a favored choice among both homeowners and builders.
Best For: Homeowners wanting a wide range of materials, strong showroom access, and advanced glass options.
Pella Windows
4.1/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Pella Windows stand out among the best window brands for their aesthetic and durable offerings, notably in their detailed wood line and robust Impervia fiberglass series. With options like energy-efficient multi-pane glass and the highly resilient HurricaneImpact® glass, Pella successfully merges attractive design with formidable resistance to elements and intruders, making them a favored choice for quality and durability. With 200 showrooms in 47 states, Pella is widely available and easy to find in most areas.
Pella earned its 4.1-star rating for superior engineering, smart-home innovation, and industry-leading warranty protection.Good fit if: You want to compare vinyl, fiberglass, wood, and impact windows from one brand.
Not ideal if: You’re highly sensitive to warranty exclusions or installer consistency.
What We Love
Made in the USA
Energy efficient
Strongest fiberglass windows
Up to 20 years warranty
Watch Out For
High cost compared to other brands
Warranty issues
Some customers report leaks
Pella windows offer a wide pricing range to fit different budgets.
Defender / Hurricane Shield (impact): $800 to $2,800+
The Pella Reserve Series is distinguished for its meticulous craftsmanship and traditional, timeless design. These classic, wood windows feature historic designs and elements across window types and come in a variety of wood types with a handful of interior stain options. Offering unparalleled quality and attention to detail, this series is often chosen for its ability to seamlessly blend innovative performance and energy efficient glass upgrades with classic aesthetic appeal, ensuring both durability and style in a top-tier window collection.
Best For: Custom homes requiring high-end, real-wood windows with premium finishes.
Loewen Windows
4.1/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Loewen Windows is known for its ability to withstand inclement weather like heavy winds, storms, and cold, offering argon-insulated panes and storm-resistant glazings, as well as energy-efficient low-E glass and thermal spacer bars. These handcrafted windows come at a higher price point but ensure real wood instead of veneers and high-quality finishes such as brass, bronze and stainless steel.
Loewen earned its 4.1-star rating for handcrafted quality, sustainable materials, and refined architectural design.Good fit if: You want handcrafted wood windows and refined architectural detailing.
Not ideal if: You need competitive pricing or a wide local dealer network.
What We Love
StormForce windows
Energy efficient
Variable warranty
Watch Out For
High price point
Limited dealer network
Warranty info not readily available online
Homeowners interested in Loewen Windows can expect to pay between $1,500 to $3,000 per window, depending on the collection, size, and level of customization.
Aluminum-Clad Wood: $1,500 to $3,500+
All-Wood: $1,800 to $4,000+
Cyprium(bronze/copper clad): $2,500 to $5,000+
StormForce (impact): $1,800 to $4,200+
The Stormforce Series is renowned for its exceptional durability and resistance against harsh weather conditions, particularly in storm-prone areas. The series uses laminated glass to protect against everything from storm impacts to noise and sun damage. Combining robust construction with a variety of design options, this series is a preferred choice for homeowners seeking a resilient window solution that doesn’t compromise on aesthetic appeal, ensuring both safety and style.
Best For: Homeowners on the West Coast seeking solid warranties and mid-range pricing.
Milgard Windows
4/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Milgard is frequently considered one of the best window brands for homeowners seeking quality windows at more accessible price points. The company offers vinyl, fiberglass, aluminum, and wood-clad options, including the Trinsic, Tuscany, and Style Line vinyl series, as well as Ultra fiberglass and Thermally Improved Aluminum windows.
Milgard earned its 4.0-star rating for dependable performance, broad product selection, and strong warranty coverage.Good fit if: You want reliable vinyl or fiberglass windows with lifetime warranty coverage.
Not ideal if: You live outside Milgard’s primary service regions or want luxury finishes.
What We Love
Premium vinyl frames
Energy efficient
Lifetime warranty
Watch Out For
Limited service areas
Warranty complaints
Personalized quotes are required
Milgard offers a range of window options to suit various budgets and preferences.
Style Line (vinyl): $350 to $900
Trinsic (vinyl): $400 to $1,100
Tuscany (vinyl): $450 to $1,400
Ultra (fiberglass): $700 to $1,800
Thermally Improved Aluminum: $450 to $1,200
The Milgard Trinsic Series is lauded for its sleek, contemporary design and maximum available viewable glass area due to its low-profile hardware and narrow frame. With a durable vinyl frame and a variety of style options, this series provides a minimalist aesthetic without sacrificing strength or functionality, making it a popular choice for modern homeowners seeking both visual appeal and reliable performance. These windows are available in four interior colors and eight exterior colors, matching all aesthetics.
Best For: Homes in coastal or hurricane-prone regions needing impact-rated protection.
PGT Windows
3.9/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
PGT Windows specializes in durable, impact-resistant windows that provide excellent protection against extreme weather where tornadoes and hurricanes are common. With products designed specifically for coastal regions, PGT is a great choice for homeowners seeking enhanced safety and resilience from a trusted brand.
PGT earned its 4.5-star rating for superior impact resistance, energy-efficient glass, and reliability in coastal regions.Good fit if: You prioritize storm resistance, noise reduction, and coastal code compliance.
Not ideal if: You want extensive style variety or non-impact-focused designs.
What We Love
Impact-resistant options
Designed for extreme weather
Good energy efficiency
Watch Out For
Higher-end pricing
Limited style options
Primarily focused on coastal areas
For PGT Windows, homeowners can expect to pay between $500 and $1,000 per window, depending on factors such as window type, size, and customization options.
ClassicVue Max (aluminum, non-impact): $600 to $1,800
EnergyVue (vinyl, non-impact): $700 to $2,000
WinGuard Aluminum (impact): $900 to $3,000+
WinGuard Vinyl (impact): $900 to $3,200+
PGT’s WinGuard Impact-Resistant Series offers top-tier impact resistance for maximum protection in both vinyl and aluminum options. Known for durability, these windows are specially designed for high-wind and storm-prone regions, helping keep homes safe without the need for additional shutters. Their solid design not only minimizes damage due to impact, but also reduces noise.
Best For: Homeowners seeking affordable, ENERGY STAR–rated vinyl windows.
Simonton Windows
3.9/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
In business for more than 75 years,Simonton Windows specializes in vinyl windows, providing 11 varied collections, including the notable Impression and StormBreaker Plus series, the latter being impact-resistant for coastal applications where hurricanes are a threat. Their offerings, which are ENERGY STAR compliant, also feature specialized glass options such as ProSolar® Low-E glass to protect against UV and infrared light.
Simonton earned its 3.9-star rating for affordability, reliability, and solid warranty coverage.Good fit if: You want cost-effective vinyl replacements with decent warranty coverage.
Not ideal if: You’re looking for premium materials or architectural detailing.
What We Love
Storm resistant windows
Energy efficient
Double lifetime warranty
Watch Out For
Basic aesthetics
Few premium options
Simonton offers a diverse range of vinyl windows catering to various budgets and preferences.
Asure (vinyl): $300 to $700
DaylightMax (vinyl): $350 to $800
Reflections 5050/5300/5500 (vinyl): $400 to $1,000
Impressions 9800 (vinyl): $500 to $1,200
Madeira (vinyl): $400 to $1,000
StormBreaker Plus (impact): $700 to $1,800+
The Impression Series stands out for its remarkable blend of aesthetic versatility and robust performance. Known for its wide array of design options and durable construction, this collection caters to those seeking a visually appealing yet steadfast window solution, ensuring homeowners do not have to compromise on style or functionality. Known as a luxury vinyl window option, this collection offers enhanced insulation and noise reduction.
Best For: Homeowners wanting widely available, value-focused window solutions.
Ply Gem Windows
3.9/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Ply Gem offers 18 window collections in replacement and new construction windows that are highly customizable, with glass and upgrade options designed specifically for certain regions of the country. In business for more than 75 years, the company has locations in all 50 states.Ply Gem earned its 3.9-star rating for cost-effective solutions, wide availability, and steady energy performance.Good fit if: You need regional customization options at accessible price points.
Not ideal if: You expect consistent premium quality across all product lines.
What We Love
Foam-filled vinyl frames
Energy efficient
Limited lifetime warranty
Watch Out For
Quality variability
Limited premium offerings
Can be difficult to contact customer service
Ply Gem offers a wide range of window options to accommodate various budgets and preferences, with prices typically ranging from $150 to $1,500 per window, and an average cost between $400 and $650.
1500 Vinyl Collection: $300 to $900
Pro (e.g., Pro Series 200): $350 to $1,000
Premium Series: $400 to $1,200
Mira (wood/clad): $900 to $2,200
The Pro Series 200 Windows are distinguished for their blend of professional-grade performance and accessible design options. Offering a balance of aesthetic flexibility and reliable durability, this series appeals to homeowners seeking a window solution that provides both visual appeal and steadfast functionality, making it a commendable choice in various architectural applications. The series comes with four interior colors and five exterior colors, plus eight glass options.
Best For: Homeowners seeking high-end customization with modern or architectural designs.
Weather Shield Windows
3.7/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Often included among the best window brands, Weather Shield brings more than 60 years of experience to window manufacturing, offering durable and stylish products known for energy efficiency and extensive customization. Homeowners can tailor details from trim profiles to hardware finishes, with options available in all-wood, all-aluminum, and aluminum-clad constructions.
What We Love
Energy-efficient designs
Customizable materials and finishes
Durable and weather-resistant
Watch Out For
Higher price range
Limited dealer availability
Professional installation recommended
Weather Shield offers a diverse range of window options, with prices typically ranging from $160 to $1,000 per window, depending on factors such as material, style, and customization.
Signature Series (aluminum-clad wood): $1,000 to $2,800+
Premium Series (aluminum-clad wood): $1,200 to $3,200+
Contemporary Collection (aluminum-clad wood): $1,500 to $3,800+
VUE Collection (all-aluminum): $2,000 to $4,500+
Weather Shield’s Signature Series combines luxury with performance, featuring high-quality wood finishes and insulated aluminum cladding. This series delivers premium durability and aesthetics, ideal for modern and traditional homes alike. They’re fully customizable and available in three types of wood, eight types of wood finishes, more than 70 aluminum finishes and nine types of wood trim, six glass finishes, and six hardware finishes
Best For: Homeowners in the Northeast seeking regionally manufactured windows.
Harvey Windows
3.7/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
Often included among the best window brands for value-focused homeowners, Harvey Windows offers five distinct collections and custom window options in a variety of shapes and styles. The company manufactures casement and double-hung windows in multiple materials, with its Classic Vinyl collection standing out for BetterGrain® interior finishes that mimic the look of natural wood.
What We Love
Made in the USA
High-performance glazing options
Energy efficient
20-year warranty
Watch Out For
Limited regional availability
Limited style options
Limited warranty on wood options
Harvey vinyl window installations typically cost between $500 to $1,500 per window, while wood windows range from $950 to $3,000, depending on size, style, and features.
Slimline (vinyl): $350 to $900
Classic (vinyl): $400 to $1,100
Tribute (vinyl): $500 to $1,400
Majesty (wood/clad): $800 to $1,800
The Tribute Series is recognized for its superior energy efficiency and premium construction, offering homeowners a blend of aesthetic appeal and robust, long-lasting performance. With a variety of styles, custom color options and trim profiles, and advanced features, this collection is a top choice for those seeking a high-quality window solution that doesn’t compromise functionality or design.
Best For: Budget-conscious homeowners needing widely available replacement options.
Jeld Wen Windows
3.4/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
North Carolina-based Jeld Wen provides replacement windows in wood, vinyl, and aluminum, offering a variety of types from standard double-hung to elegant bay and bow windows. Available across different series, including Builders, Premium, and the signature EpicVue, Jeld Wen ensures a comprehensive selection to cater to diverse aesthetic and functional preferences.
What We Love
Energy efficient
Low-E and clean profile glass
Limited lifetime, variable warranty
Watch Out For
Inconsistent quality
Limited availability
Cost is variable based on location
JELD-WEN offers a variety of window options to accommodate different budgets and preferences. On average, homeowners can expect to pay between $350 to $700 per window, including installation.
V-2500 (vinyl): $300 to $800
V-4500 (vinyl): $400 to $1,100
W-2500 (wood/clad): $600 to $1,600
Siteline (clad-wood): $900 to $2,400
Auraline (composite): $700 to $1,800
The Jeld Wen Premium Vinyl (V-4500) collection is esteemed for its blend of aesthetic appeal and durable functionality. With a focus on energy efficiency and robust weather protection, this series comes in 11 styles and offers a versatile selection of low-maintenance options without sacrificing quality, making it a standout choice for those seeking reliable, attractive window options. Made with vinyl, these windows are designed to look like wood without the maintenance. Their Low-E insulating glass panes are also thermally efficient for increased performance.
Best For: Homeowners looking for mid-range vinyl replacement windows with solid warranties.
Alside Windows
3.4/5
Modernize RatingThis rating was determined by the Modernize Editorial Team based on factors such as customer reviews, product quality, warranties, company reputation, and service coverage. Our ratings are editorially independent and are not influenced by our advertising or partnership relationships.
In business for more than 75 years, Alside Windows has come to be known for its durable, energy efficient vinyl window options and warranties. Their warranty covers manufacturing defects and damages for up to 10 years at no cost to the owner and is transferable to new owners upon purchase. After this time period the warranty varies from product to product with certain exclusions on different window elements. The company offers an optional glass break warranty and a 10-year fade resistance warranty for its FrameWorks Color Collection.
What We Love
Fusion-welded frames
Energy efficient
Limited lifetime warranty
Watch Out For
Variable quality
Limited aesthetics
Limited frame options
Alside offers a range of vinyl replacement windows to suit various budgets and preferences. On average, homeowners can expect to pay between $300 and $900 per window, depending on the series, style, and customization options chosen.
Fusion (vinyl): $300 to $700
Mezzo (vinyl): $350 to $900
Sheffield (vinyl): $400 to $1,000
UltraMaxx (vinyl): $450 to $1,100
Preservation (dealer line): $600 to $1,400
The Sheffield® Fusion-Welded Window Collection is celebrated for its sturdy, fusion-welded construction and classic design. Offering optimal energy efficiency and a traditional aesthetic, this series is a favored choice for homeowners seeking a blend of timeless style and modern, reliable performance in their window selection.
How We Rate Window Products
Every window product on Modernize is rated on a one-to-five scale across seven criteria. Each criterion is scored independently, then weighted by its relative importance to your home’s performance and long-term value. Those weighted scores are added together to produce the final star rating.
Here’s what we evaluate and how much each factor counts:
Performance & Efficiency (22%): U-factor, SHGC, air leakage, and ENERGY STAR certification
Durability & Build Quality (20%): Frame materials, seal integrity, and resistance to warping and moisture
Warranty Coverage (16%): Coverage length, transferability, and ease of claims
Value & Pricing (14%): Energy efficiency and lifespan relative to cost
Brand Reputation (12%): Market longevity, installer sentiment, and product consistency
Installation Compatibility & Ease (8%): Adaptability across retrofit and new construction scenarios
Climate & Regional Suitability (8%): Performance in hot, cold, and mixed climates
Common Window Brand Dealbreakers to Know
Before choosing a window replacement brand, it’s important to understand a few common dealbreakers that can affect long-term performance, cost, and satisfaction.
Warranty fine print: Some “lifetime” warranties exclude labor, have significant limitations, or are not transferable to future homeowners.
Installer dependency: Window performance often depends more on installation quality than on the brand itself, making local installer expertise critical.
Regional availability: Some brands offer excellent products but have limited dealer networks, making service and replacement harder outside their core regions.
Series-level quality gaps: Entry-level product lines can perform very differently from premium collections within the same brand.
How to Choose the Best Window Replacement Brand for Your Home
The best window replacement brand isn’t the same for every homeowner. To make the right choice, focus on the factors that most directly affect performance, cost, and long-term satisfaction.
Frame material vs. climate: Vinyl, fiberglass, and wood-clad windows perform differently depending on temperature swings, humidity, and maintenance needs.
ENERGY STAR® ratings for your region: Look for windows certified for your specific climate zone to maximize efficiency.
Warranty coverage by series: Warranty terms can vary significantly between product lines within the same brand.
Local installer quality and availability: Proper installation often matters more than the brand itself.
Total installed cost: Compare full project pricing, not just the cost of the window unit.
Most homeowners should compare two to three window brands and get quotes from up to four local installers b
Ready to take the next step? Visit the Modernize Review Hub to explore installers to consider, compare detailed brand reviews, and get the insights you need to choose with confidence.
Best Window Installers
Looking for the best company to install your new windows? Explore our list of the Best Window Companies for your next window project.
Best Impact Windows for Storm Protection
Do you live in a storm-prone area and need reliable protection? Explore our list of the Best Impact Windows to find top brands that offer hurricane-resistant, durable, and energy-efficient solutions for your home.
Check Out How Your Favorite Window Brands Compare!
We compare some of the best window brands to help you make the right choice for your home.
Brand and Quality Level: Premium brands like Andersen or Marvin cost more for design and durability.
Frame Material: Vinyl is affordable; fiberglass and wood are more expensive but durable.
Window Type and Size: Larger or specialty shapes cost more than standard sizes.
Glass and Energy Efficiency: Double- or triple-pane glass, gas fills, and Low-E coatings raise costs but lower utility bills.
Installation Complexity: Full-frame replacements or structural changes increase labor time.
Location and Labor: Urban areas and high-demand regions often have higher rates.
Yes — window brands play a major role in performance, warranty coverage, and resale value. Leading brands invest in research, better materials, and energy-efficient glass technologies that cheaper alternatives may skip.
Homeowners who choose trusted names like Andersen, Pella, or Marvin typically see better energy performance, smoother operation, and longer warranties than with budget or unbranded options.
Andersen and Pella excel in design and craftsmanship.
Marvin offers premium customization and long-lasting durability.
Milgard and Simonton provide great mid-range value with strong warranties.
Even the best window brands won’t perform well if they’re not installed correctly. Look for licensed, insured window contractors who are certified by the brand itself — for example, Andersen Certified Contractors or Pella Platinum Partners.
Modernize can connect you with top-rated local window installers who carry all major brands and can help you compare pricing, warranties, and current promotions in your area.
Yes, but switching brands may increase installation costs if sizes, frame depths, or hardware differ from your current windows. A contractor may need to modify the existing opening for a proper fit.
Before changing brands, review warranty coverage, design options, and color or finish choices to ensure your new windows match your home’s aesthetics and performance goals.
Vinyl windows: 20 to 30 years
Fiberglass windows: 30 to 40 years
Wood windows: 15 to 25 years with upkeep
Brands such as Andersen, Pella, Marvin, and Milgard offer ENERGY STAR®-certified windows with Low-E glass, argon gas fills, and insulated frames that reduce heat transfer.
Energy-efficient models can save homeowners up to 15% on annual heating and cooling costs, especially in extreme climates.
Andersen and Pella: 20–limited lifetime coverage
Marvin: 10–20 years, depending on product line
Milgard: Limited lifetime warranty
DIY installation is possible but not recommended for most homeowners. Incorrect installation can void warranties, cause air leaks, and reduce energy efficiency.
Professional installers ensure a tight fit, correct flashing, and compliance with manufacturer specs — all of which protect your investment.
You can purchase replacement windows through brand-authorized dealers, local suppliers, or home improvement stores like Home Depot or Lowe’s.
However, it’s best to consult with a contractor first, who can help determine the right window type, material, and brand for your home’s style and energy needs. Use Modernize to connect with certified local installers and get multiple quotes from trusted professionals.
The ideal time for window replacement is spring or fall, when temperatures are moderate and installers have better availability. This timing helps minimize energy loss and ensures sealants cure properly.
If your windows are drafty, difficult to open, or have visible condensation between panes, it’s likely time to replace them — regardless of season.