24 Best Window Replacement Companies in St Clair, IL (Mar 2023)
Window Companies Near Me
Looking to upgrade your home's windows? We've got all the information you need in this guide to the best window installation companies.
We analyzed all the top window installers in St Clair and selected the top 24 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated March 14, 2023
Why you can trust EcoWatch
The EcoWatch team is all about finding solutions for eco-conscious homeowners in St Clair. When it's the middle of summer, your old and drafty windows could be making your home harder to cool and costing you more in power bills.
Luckily, helping you save energy with more efficient windows also helps our goals of conserving energy and the resources it takes to produce it.
We've compiled this guide on the best installation companies to help you in your research, so you can not only enjoy brand new windows, but also save money on your electric bills.
Best Affordability
Window World
- Great industry reputation
- EnergyStar Partner
- Lifetime warranty
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Award-winning company
- Manufactures products in-house
- More expensive than competition
Best Warranty
Universal Windows Direct
- Makes charitable contributions
- Wide variety of products and services
- Lifetime warranty
- Limited service area
Best Window Replacement Companies in St Clair
The EcoWatch Reviews team assessed dozens of window providers in St Clair to find the best ones for our readers. We assessed the companies based on energy-efficient offerings, coverage area, price, customer service, local experience and more.

Window World
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Great industry reputation
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EnergyStar Partner
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Lifetime warranty
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Quality of service will depend on your area
Window World offers windows expertise in St Clair. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window industry for about 27 years. Hundreds of positive reviews from customers online back the provider's reputation.
If you're looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, Window World may be the perfect provider for you.
Energy Efficiency of Window World WindowsWindow World is an Energy Star partner offering a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company's windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Window World representative when inquiring about services.
How much does Window World cost in St Clair?Prices aren't mentioned on Window World's website, but it's known for offering some of the most affordable window installations around. For more detailed information on the cost, you can receive a quote from the company.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Manufactures products in-house
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More expensive than competition
Renewal by Andersen provides the best availability in St Clair. This company has been operating since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. Its reputation is backed by all the positive reviews on customer review websites.
If you're looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, this may be the right provider for you.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen's commitment to sustainability shows in its energy-efficient window offerings. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in St Clair?Prices aren't listed on Andersen's website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can inquire about a free quote on its website for more information about pricing.

Universal Windows Direct
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Makes charitable contributions
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Wide variety of products and services
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Lifetime warranty
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Limited service area
Universal Windows Direct provides the best warranty in St Clair. This window installation company has been in business since 2002 and currently services 27 states nationwide. The provider has plenty of positive reviews from customers on online review websites.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide variety of window types that Universal Windows Direct offers, some of which are Energy Star products. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in St Clair?Though prices are not readily available on Universal's website, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. The best way to get more accurate pricing information is to receive a free quote from the company.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation offers the best residential windows in St Clair. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has over 16 years of industry experience, and it currently serves residents within 75 miles of its showrooms, which are in 13 states. Its reputation is backed by several positive reviews on customer review websites.
Window Nation may be the company for you if you want one that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsEach product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation. Not all of Window Nation's windows are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Window Nation cost in St Clair?Window Nation doesn't have any prices available on its website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. Receiving a free quote on its website is the best way to get more accurate pricing information.
We have tried to stay unbiased and transparent by mentioning pros and cons for each company. Additionally, any partnerships do not influence our rankings.
More Window Replacement Companies in St Clair
Wildwood Roofing & Construction
Ellisville, MO-
Dependable Service
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Helps Educate Customers
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Excellent Customer Service
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Timely Service
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Custom Window Designs
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
Window World of St. Louis
Bridgeton, MO-
Helps Educate Customers
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Arrives on Time
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Consistent Workmanship
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No-fee Quotes
Services Offered
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Fast Delivery
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
Chaney Windows And Doors
Maryland Heights, MO-
Good Customer Service
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Free Quotes
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Educational Website
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Price Transparency
Services Offered
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Residential Windows
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Energy-Efficient Options
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Custom Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay Windows
Mr. Handyman of Metro East
Collinsville, IL-
Locally Recognized for Quality
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Educational Website
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Price Transparency
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Dependable Service
Services Offered
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Renewal by Andersen of St. Louis
Maryland Heights, MO-
Charitable Giving
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No-Hassle Pricing
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Excellent Customer Service
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Reliable Appointment Windows
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Full-Service Installations
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Double-Hung
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Sliding Glass
Lowe's Home Improvement
Belleville, IL-
Arrives on Time
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Helps Educate Customers
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Dependable Service
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No-Hassle Pricing
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
Empire Supply Co
St. Louis, MO-
Good Customer Service
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Educational Website
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No-Hassle Pricing
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Free Quotes
Services Offered
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Residential Windows
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Energy-Efficient Options
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
Glass & More Inc. Low price glass repair!
Belleville, IL-
Educational Website
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Price Transparency
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Reliable Service
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Good Customer Service
Services Offered
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Residential Windows
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Custom Window Designs
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Full-Service Installations
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Business Windows
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Double-Hung
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Sliding Glass
Energy View Windows - Home Improvements
Hazelwood, MO-
No-fee Quotes
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Award-Winning
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Good Customer Service
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Price Transparency
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Window Designs
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Aluminum Window Frames
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Energy-Efficient Options
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Architectural Glass
All About Glass
Arnold, MO-
Dependable Service
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No-fee Quotes
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Excellent Customer Service
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Price Transparency
Services Offered
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Residential Windows
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Heavy Glass
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Doors
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Sliding Glass
Masonry & Glass Systems Inc
St. Louis, MO-
Helps Educate Customers
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Reliable Service
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Good Customer Service
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Award-Winning
Services Offered
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Custom Windows
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Glass Showers
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Sliding Glass
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Double-Hung
Window Nation
Overland, MO-
No-fee Quotes
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Award-Winning
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Helps Educate Customers
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Excellent Customer Service
Services Offered
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Sliding Glass
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Sears Window Replacement
Bridgeton, MO-
Price Transparency
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Award-Winning
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Consistent Workmanship
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No-fee Quotes
Services Offered
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Sliding Glass
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Custom Windows
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Energy-Efficient Options
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Double-Hung
STL Windows and Doors
St. Louis, MO-
No-Hassle Pricing
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Good Customer Service
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No-fee Quotes
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Timely Service
Services Offered
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Custom Window Designs
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Residential Windows
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Sliding Glass
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Double-Hung
Building Envelope Experts
Fenton, MO-
No-fee Quotes
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Educational Website
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Excellent Customer Service
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No-Hassle Pricing
Services Offered
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Sliding Glass
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Custom Windows
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Energy-Efficient Options
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Double-Hung
Missouri Glass Company
St. Louis, MO-
Arrives on Time
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Dependable Service
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Educational Website
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Good Customer Service
Services Offered
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Residential Windows
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Heavy Glass
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Tempered Glass
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Custom Window Designs
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Commercial Windows
Clear Window Technology
Ballwin, MO-
Consistent Workmanship
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Award-Winning
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No-fee Quotes
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Good Customer Service
Services Offered
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Architectural Glass
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Custom Window Designs
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Full-Service Installations
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Double-Hung
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Bay Windows
Glass America
New Baden, IL-
Excellent Customer Service
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Helps Educate Customers
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Price Transparency
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Locally Recognized for Quality
Services Offered
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Custom Windows
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Business Windows
Same Day Door Service
Festus, MO-
Arrives on Time
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No-fee Quotes
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Good Customer Service
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Reliable Service
Services Offered
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Residential Windows
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
Alenco Inc.
Fenton, MO-
Reliable Appointment Windows
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Free Quotes
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Good Customer Service
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Dependable Service
Services Offered
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Custom Window Designs
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Glass Showers
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Sliding Glass
Banner Construction
St. Louis, MO-
Dependable Service
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No-fee Quotes
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Price Transparency
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Excellent Customer Service
Services Offered
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Custom Windows
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Full-Service Installations
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Double-Hung
Jacob Sunrooms, Exteriors & Baths
Fairview Heights, IL-
Excellent Customer Service
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Consistent Workmanship
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Award-Winning
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Reliable Appointment Windows
Services Offered
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Custom Windows
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Energy-Efficient Options
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Double-Hung
Winco Window Company
St. Louis, MO-
Free Quotes
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Educational Website
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Excellent Customer Service
Services Offered
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Residential Windows
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Architectural Glass
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
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Sliding Glass
Millstadt Glass Inc
Millstadt, IL-
Free Quotes
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No-Hassle Pricing
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Good Customer Service
Services Offered
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Residential Windows
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Glass Showers
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Fast Delivery
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Tempered Glass
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Custom Window Designs
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Commercial Windows
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Sliding Glass
How Installing Energy-Efficient Windows in St Clair Saves You Money
Energy-efficient windows can benefit you in several ways. Here are a few reasons you may want to think about making the switch:
- Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Save money on electricity bills: The Department of Energy estimates that heat gained or lost via windows makes up about 25-30% of energy use in your home. Switching to energy-efficient windows can help lower that amount, which helps you save $316 a year on your bills.
- Decrease your carbon footprint: Decreasing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 642 pounds.
- Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes tend to have windows that are outdated, leaky or potentially even damaged in some way. Updating your windows could help raise the value of your property if you decide to sell.
Estimated Cost of Window Replacement in St Clair
Each window installation company offers varying services and has different costs depending on a few factors.
How Much Do New Windows Cost?
According to our research, the typical cost to replace a single window is about $600. However, window replacement costs can range from $200 to $1,200 a window. But costs will differ significantly depending on the number of windows you need, the quality of your products, the current condition of your home and your location. A lot of window companies also offer replacement door installations and other add-ons like baths, coating, shutters and more. Additional services will increase your overall project costs.
It's also worth noting that energy-efficient windows will cost more upfront, but Energy Star predicts that switching out the windows on your St Clair home can mean an average energy savings of $236 to $319 each year for single-pane window replacement, or between $87 to $126 each year for double-pane windows. The amount of money you'll save by upgrading to energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.
Something else that affects the total cost is the material you pick for your frame. Aluminum frames are generally the least expensive and are sturdy and relatively maintenance-free, but they offer poor insulation. On the other hand, wood frames are the most expensive because they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
When considering window installations, in general there are two kinds that your provider will have: full-frame and pocket installations.
Full-frame installations involve replacing the total window, including the trim, sill and frame. Full-frame installations are necessary when you want a new style or your window has considerable rot. Full-frame installations are more involved and will increase overall costs. A pocket installation means replacing a window without taking out the complete frame, which is usually cheaper than a full-frame installation.
If you're still trying to decide which type of installation to get, you can talk to your provider and get their advice. The decision mostly depends on the age of your window frames and if there's any damage present.
Best Affordability
Window World
- Great industry reputation
- EnergyStar Partner
- Lifetime warranty
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Award-winning company
- Manufactures products in-house
- More expensive than competition
Best Warranty
Universal Windows Direct
- Makes charitable contributions
- Wide variety of products and services
- Lifetime warranty
- Limited service area
How We Choose the Best Window Installers in St Clair
In our search to make your home improvements easier and more eco-friendly in St Clair, the EcoWatch Reviews team chose the above companies as the top window installation companies in the city. Along with energy efficiency, we reviewed several window installers in St Clair and assigned rankings based on the following methodology:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve a wide variety of states and cities so you can find the best window installation company near you.
Work Quality
When installing new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the type of window you choose. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
Customer feedback is another very important review factor. If most customers don't have positive things to say about their experience with a certain window installation company, it won't be featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing the prices of providers, we awarded higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important. That's why window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a proven track record in the industry. Window installers that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.
St Clair, IL Window Replacement FAQs
What is the typical cost to replace windows in a home?
The typical cost to replace a window ranges from $450 to $650. There are a variety of factors that affect how much it costs, including the number of windows, the materials used in designing the windows, local labor costs, how energy-efficient the windows are, your property's location and styles and sizes of windows.
What are the most common kinds of replacement windows?
The most common types of windows for homes are awning windows, casement windows, slider windows, bay windows, double-hung and single-hung windows, picture windows and transom windows.
When should I use a window installation company?
You should use a window installation company whenever you want to upgrade your windows. Installing windows is a complex process that can be difficult and time-consuming, so it's best handled by the professionals.
How long does it generally take to install windows?
Each window takes about 30 minutes to install depending on the kind of window. However, the window installation can take two days or more if you have a lot of windows that must be installed.
What time of year is a good time to replace my windows?
Replacement windows can be installed during any season, but autumn might be best. No matter when you install them, the contractors will take steps to ensure that too much hot or cold air doesn't get into the home, so the temperature outside isn't necessarily a big factor. What's most important is that the weather should be dry.