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Best Window Replacement Companies in St. Louis, MO

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Written By Max Peterson | Last Updated: February 05, 2024

Replacement windows can defend your home from leaks and drafts, increase its energy efficiency, and provide it with extra charm. An experienced window provider can help you make the most of your new windows, so you can make them work for you.

Top Pick
4.7
  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience
Best Financing
4.4
  • Full-service installation
  • In-house, U.S.-made products
  • More than 70 years of experience
Most Customizable
4.3
  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience

Top 10 St. Louis Window Installation Companies

We've compiled this list of companies that specialize in window replacement in St. Louis.

St. Louis residents can trust the This Old House Reviews Team to provide relevant and up-to-date window company recommendations in their area. To determine which installers are the best, we focus on these five criteria:

  • Product quality
  • Professional experience and licensure
  • Energy-efficiency guarantees
  • Customer reviews and recommendations
  • Services and warranties

Champion Replacement Windows of St. Louis Logo

Champion Replacement Windows of St. Louis

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4.5/5
Based on 320 customer reviews.

Services Offered

Double-Hung Sliding Glass Doors Window Install & Replacement Bay Windows Storm Doors Window Repair

Highlights

  • Good customer service
  • Free assessment
  • Price transparency
29 Cassens Ct, Fenton, MO 636-764-0470 championwindow.com
Window World of St. Louis Logo

Window World of St. Louis

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4.8/5
Based on 710 customer reviews.

Services Offered

Custom Window Designs Bay Windows Window Install & Replacement Sliding Glass Doors Double-Hung Vinyl Frames

Highlights

  • Free assessment
  • Good customer service
  • Educational website
3600 Rider Trail S, Earth City, MO 314-993-1800 windowworldstlouis.com
Glass Doctor of Greater St. Louis Logo

Glass Doctor of Greater St. Louis

5/5
Based on 770 customer reviews.

Services Offered

Commercial Windows Glass Repair Window Repair Custom Glass Glass Doors Tempered Glass Glass Showers Mirrors Window Install & Replacement

Highlights

  • Price transparency
  • Educational website
  • Good customer service
9400 Manchester Rd, St. Louis, MO 314-962-4344 glassdoctor.com
Window Nation Logo

Window Nation

5/5
Based on 458 customer reviews.

Services Offered

Sliding Glass Doors Window Install & Replacement Energy-Efficient Options Bay Windows

Highlights

  • Good customer service
  • Price transparency
  • Educational website
1913 Belt Way Dr, Overland, MO 314-279-8249 windownation.com
Masonry & Glass Systems Inc Logo

Masonry & Glass Systems

4.6/5
Based on 89 customer reviews.

Services Offered

Storm Windows Vinyl Frames Glass Doors Bay Windows Glass Showers Storm Doors Window Install & Replacement Sliding Glass Doors

Highlights

  • Good customer service
  • Free assessment
  • Educational website
1503 S Kingshighway Blvd, St. Louis, MO 314-535-6515 masonryglass.com
Empire Supply Co Logo

Empire Supply Co

4.6/5
Based on 42 customer reviews.

Services Offered

Storm Windows Energy-Efficient Options Storm Doors Tempered Glass Vinyl Frames Double-Hung Sliding Glass Doors Commercial Windows Window Install & Replacement Mirrors Aluminum Frames

Highlights

  • Price transparency
  • Good customer service
  • Educational website
7286 Manchester Rd, St. Louis, MO 314-645-2633 empiresupplystl.com
Gallagher Bros Construction Logo

Gallagher Bros Construction

5/5
Based on 533 customer reviews.

Services Offered

Residential Windows Commercial Windows Window Install & Replacement Full-Service Installations

Highlights

  • Educational website
  • Timely service
  • Free assessment
500 S County Center Way, St. Louis, MO 314-646-8015 gallagherbrosconstruction.com
Gravois Glass Logo

Gravois Glass

4.4/5
Based on 143 customer reviews.

Services Offered

Commercial Windows Glass Repair Window Install & Replacement Window Repair Mirrors

Highlights

  • Price transparency
  • Good customer service
  • Educational website
6825 Gravois Ave, St. Louis, MO 314-352-2200 gravoisglass.net
Jacob Sunrooms, Exteriors & Baths Logo

Jacob Sunrooms, Exteriors & Baths

4.4/5
Based on 113 customer reviews.

Services Offered

Vinyl Frames Window Install & Replacement Glass Showers Energy-Efficient Options Fiberglass Frames

Highlights

  • Good customer service
  • Price transparency
  • Free assessment
9723 Il-161, Fairview Heights, IL 618-397-4391 jacobsunroom.com

More Local Window Companies

Viviano Windows & Door

User Reviews: 4.4/5 

7530 Watson Rd
Webster Groves, MO 63119

Colonial Construction

User Reviews: 4.7/5 

10120 Fite Cir
St. Louis, MO 63123

Cardinal Contractors

User Reviews: 5/5 

453 N Lindbergh Blvd
St. Louis, MO 63141

Home Services at The Home Depot

User Reviews: 4.3/5 

1603 S Hanley Rd
Brentwood, MO 63144

Penny Window

User Reviews: 4.1/5 

9910 Halls Ferry Road
St. Louis, MO 63136

Butler Home Improvement

User Reviews: 4.5/5 

906 Vandalia St
Collinsville, IL 62234

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about St. Louis
Annual Energy Efficient Windows Savings: $374
Average Max Temp: 65°F
Average Min Temp: 47°F
Average Daily Sunlight: 55%
Average Annual Snowfall: 12.8"
Average Monthly Precipitation: 3.46"

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This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

How To Choose a Window Company in St. Louis

With St. Louis' sheer size, you're sure to find a reliable window company that aligns with your values and preferences. As you gather estimates, keep the following factors in mind:

Window Cost by Type

Replacing your windows is a significant undertaking, so balancing cost with value is vital. Choosing budget windows could actually increase your overall cost, since they come with a reduced lifespan and more intensive maintenance needs. The material, style, and size of your new windows are the most significant factors in your final cost. Single-hung windows often cost less due to their straightforward style and simple mechanisms, while a custom-cut arch window in a master suite will cost more. An installer can guide you through selecting the solutions that fit your requirements.

This table shows average prices for various window types to give you an idea of what to expect.

Window Types Average Cost
Arched $225-$1385
Awning $326-$909
Bay $752-$5583
Custom $335-$930
Casement $260-$1509
Double-hung $121-$785
Egress $223-$557
Glass Block $44-$565
Picture $196-$1447
Single-hung $88-$1489
Skylight $111-$1344
Sliding $256-$1302
Storm $52-$368
Transom $272-$570

Window Material Cost

Window prices also vary based on material. Each option provides different benefits depending on your climate and energy-saving goals. Vinyl and fiberglass are readily-available materials, so they tend to cost less. Likewise, composites and aluminum look sleek and stay strong against St. Louis' fierce wind, so they tend to cost more.

Window Types Average Cost
Aluminum $52-$1489
Composite $537-$1207
Fiberglass $88-$752
Vinyl $181-$1675
Wood $268-$1509

Other Window Replacement Costs

Your contractor will factor the price for your windows and the value of their services into its total estimate. Make sure to assess the cost of labor, guarantees, and any other additional costs that your project may require.

Experience and Training

The longer a window provider has been in business, the better its workmanship will likely be. Contact a company representative to learn more about its experience, guarantees, and public and private credentials. Company websites often keep photo galleries demonstrating previous work technicians have done.

Licensing and Credentials

Missouri doesn't mandate window providers to get a state license. Instead, counties and cities set their own licensing requirements. Consult with your city government to see what regulations they have for window installers, and look for businesses with reliable private accreditations in your own research. A few good places to start include credentials from the American Window and Door Institute or Fenestration and Glazing Industry Alliance.

Types of Windows Offered

The kind of window you desire should play a role in your company choice. Not every installation crew will necessarily be familiar with the types you want. A company website will provide more about the kinds of windows it specializes in, such as:

  • Awning
  • Bay
  • Bow
  • Casement
  • Crank-out
  • Custom
  • Double- or single-hung
  • Egress
  • Garden
  • Jalousie
  • Picture
  • Sliding
  • Skylight
  • Specialty
  • Storm
  • Transom
  • Vent
Finally, pay close attention to the framing materials that a provider uses. Each frame material has a different energy efficiency level, life span and price point. A company will usually specify whether the windows they place use composite, metal, fiberglass, vinyl, or wood.

Customer Feedback

One of the best ways to screen a company is to read what other customers have said about their experiences. Read customer reviews on sites such as Google, Yelp, and Trustpilot. You can also view customer reviews and company ratings on the Better Business Bureau (BBB) website. Speak with people you know who have used a company you're interested in, and ask a representative for a copy of its reference list.


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Frequently Asked Questions About Window Replacement in St. Louis

What are the benefits of hiring a window installer?

By working with a professional, you don't need to worry about making measurement mistakes or not having the right tools. A window installation team is well-equipped with the right supplies and training to do the job safely and accurately. You can also get fast, informed answers to your questions and personalized help to maximize your new windows' potential.

What time of year should I replace my windows?

There is no one-size-fits-all time to upgrade your windows, but some seasons might be better than others depending on the local climate and a company's demand. St. Louis experiences average winters, so anytime in the spring, summer, or early fall will maximize your comfort during the process.

Will my window company install blinds?

Whether a company can sell and install blinds ultimately depends on your state's licensing requirements and the company's own preferences. Many jurisdictions require window covering installers to get a separate license, and not every installer will carry one. If you'd like blinds with your new windows, ask a company representative if its crews can handle the cutting and installation. If a company can't work with blinds, they could refer you to another company or subcontract the work.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

More Window Resources

National Windows Company Ranking Methodology

Sources

Energy Star