21 Best Window Replacement Companies in Wilton, CT (2023 Reviews)
Window Companies Near Me
Looking to replace your home's windows? We've got you covered in this guide to the best window installation companies.
We analyzed all the top window installers in Wilton and selected the top 21 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 May 04, 2023
Why you can trust EcoWatch
Although environmentally friendly energy sources like wind and solar are important when it comes to reducing your carbon footprint, improving your house's efficiency can also have a considerable impact on home energy conservation. Poor windows can reduce your home's energy efficiency by up to 30%, according to the Department of Energy. In Wilton, that's almost $441 per year that you could save on your electricity bills after making the switch.
Fortunately, saving you energy with upgraded windows also helps our goals of conserving energy and the resources it takes to make it.
Efficient windows are particularly important in Wilton, where the temperature varies throughout the year. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $441 each year.
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Low prices relative to competitors
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Great industry reputation
- Manufactures products in-house
- No lifetime warranty
Best for Residential Windows
Window Nation
- Award-winning company
- Custom designs
- Wide variety of products and services
- Installation not covered by warranty
Best Window Replacement Companies in Wilton
The EcoWatch team researched several window providers in Wilton to find the top ones for our readers. The installers reviewed in this article scored best in our categories: energy-efficient offerings, availability, price, customer service and more.

Window World
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Large serice area
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EnergyStar Partner
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Low prices relative to competitors
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Quality of service will depend on your area
Window World has windows expertise in Wilton. This company has been operating since 1995 and currently serves 200 locations nationwide.
Window World may be the company for you if you're interested in one that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
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 Wilton?Prices are not available on Window World's website since the cost of window replacement depends on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. If you'd like more accurate pricing information, you can receive a quote on the company's website.

Renewal by Andersen
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Member of US Green Building Council
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Great industry reputation
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Manufactures products in-house
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No lifetime warranty
Renewal by Andersen provides the best availability in Wilton. Andersen has about 27 years of experience in the windows industry, and it currently provides services to nearly every state except Mississippi and West Virginia. Hundreds of positive reviews from customers online back the provider's reputation.
It has established itself as a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsA 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. Not all of Andersen's offerings are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Wilton?Andersen doesn't have any cost information available on its 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 request a free quote on its website for more information about pricing.

Window Nation
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Award-winning company
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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
Window Nation offers the best residential windows in Wilton. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has around 16 years of experience in the window replacement sector. Hundreds of positive reviews from customers online back the company's reputation.
It has established itself as a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation is an Energy Star partner and has 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 Nation representative when inquiring about services.
How much does Window Nation cost in Wilton?Window Nation does not list prices 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. For more accurate information on the cost, you can get a quote from the company.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows has the best window installation for businesses in Wilton. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. Aeroseal has around 23 years of experience in the window installation sector. Its reputation is backed by a considerable amount of positive reviews from customers online.
Aeroseal may be the company for you if you want one that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsThere are a wide range of window types that Aeroseal Windows offers, some of which are Energy Star products. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Wilton?Though pricing information is not readily available on Aeroseal's website, it provides high-quality windows at a competitive price point. Requesting a free quote on its website is the best way to know for sure.
Please note that the companies in this section are national, meaning the quality of the service may vary depending on your local crew. We have tried to be unbiased and transparent by listing pros and cons for every provider.
More Window Replacement Companies in Wilton
The Shade Store
Greenwich, CT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Stained Glass
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
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Double-Hung
Mr. Handyman of Upper Fairfield County
Fairfield, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Glass Showers
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Custom Window Designs
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Full-Service Installations
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Residential Windows
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Fast Delivery
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Commercial Windows
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Double-Hung
Home Comfort Practice, Inc.
Stratford, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
Window King of Connecticut
Stamford, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
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Double-Hung
Budget Blinds of Monroe and Milford
Monroe, CT-
Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
Pella Windows & Doors of Norwalk
Norwalk, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Bay Windows
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Sliding Glass
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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
Pella Windows & Doors of Monroe
Monroe, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Bay Windows
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Sliding Glass
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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
Window Depot USA of Southern CT
Trumbull, CT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Energy-Efficient Options
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Double-Hung
Honey Do Men Home Remodeling & Repair
Carmel Hamlet, NY-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Stained Glass
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Residential Windows
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Aluminum Window Frames
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Commercial Windows
Glass Express Solutions LLC
Stamford, CT-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Tempered Glass
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Commercial Windows
Eastern Glass & Shower Door
Milford, CT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Full-Service Installations
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Residential Windows
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Aluminum Window Frames
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Tempered Glass
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Commercial Windows
Rizos Glass inc
Carmel Hamlet, NY-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Sliding Glass
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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
Ener-G Tech, Inc.
Stratford, CT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Energy-Efficient Options
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Commercial Windows
American Windows Plus Inc
White Plains, NY-
Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Energy-Efficient Options
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
Giant Siding and Windows
White Plains, NY-
Good Customer Service
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Award-Winning
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Residential Windows
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Custom Window Designs
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Commercial Windows
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Sliding Glass
Pleasantville Glass & Mirror Inc.
Hawthorne, NY-
Good Customer Service
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Price Transparency
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Timely Service
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Tempered Glass
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Commercial Windows
Fullam's Windows
Norwalk, CT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Fast Delivery
Juano's Glass LLC
Bridgeport, CT-
Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Tempered Glass
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Commercial Windows
Westchester Window
Thornwood, NY-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Double-Hung
Klar Studio European Windows & Doors
Norwalk, CT-
Educational Website
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Price Transparency
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Timely Service
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Free assessment
Services Offered
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Energy-Efficient Options
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
Home Services at The Home Depot
541 Kings Hwy, CT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Commercial Windows
How Installing Energy-Efficient Windows in Wilton Saves You Money
By switching to energy-efficient windows, you and your family can enjoy several benefits, such as:
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help reduce damage from the sun's UV rays to your floors, carpets and furniture.
- Reduce your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by 147 pounds per year on average.
- Save money on energy bills: The Department of Energy estimates that heat gained or lost through windows makes up around 25-30% of residential energy use. Upgrading to energy-efficient windows can help lower that amount, which helps you save $441 a year on your bills.
- Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its real estate value, particularly if your home is on the older side.
Estimated Cost of Window Replacement in Wilton
When considering window installation, each company provides varying services and prices. Let's take a look at some typical costs and services.
How Much Do New Windows Cost?
Typically, homeowners in Wilton can anticipate that most replacement window installations will cost between $250 and $1,200, with the average cost at about $600. These figures vary based on specific characteristics of your installation, like size, type, the location of your home, material, number of windows and more.
It's important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars by decreasing your energy bills. Investing in certified energy-efficient windows can save Wilton homeowners $441+ a year when replacing single-pane windows.
Getting free quotes from multiple installers is the best way to find out which one is right for you.
What Services do Window Installers Offer?
There are generally two kinds of window installation services: full-frame and pocket installations.
Full-frame installations are usually done when you want a new style or your window has significant rot or deterioration. With this service, your installers will replace the entire window, including the sill, frame and trim. Pocket installations are simpler and won't carry as large a bill because they involve merely replacing the window within its existing frame. But if the frame has any damage, you should opt for a full-frame installation instead.
If you're not sure which type of window installation service you need, your installer should be able to assist you. Typically, the choice is influenced by factors like the age and condition of the home, the type of building material, budget and time restrictions.
Best Affordability
Window World
- Large serice area
- EnergyStar Partner
- Low prices relative to competitors
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Member of US Green Building Council
- Great industry reputation
- Manufactures products in-house
- No lifetime warranty
Best for Residential Windows
Window Nation
- Award-winning company
- Custom designs
- Wide variety of products and services
- Installation not covered by warranty
How We Choose the Best Window Installers in Wilton
In our search to make your home improvements easier and more eco-friendly in Wilton, the EcoWatch team evaluated many companies before settling on these. We have reviewed the top window replacement companies in Wilton primarily based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installation companies that serve Wilton so you can find the right window installation company near you.
Work Quality
When selecting new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
Another self-explanatory yet super important review factor is customer feedback. If most customers don't have nice feedback about their experience with a certain window installation company, you won't see it featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing the prices of providers, we gave 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
Last but not least, we like to see companies that have been in the industry for a while. Window installation companies that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.
Wilton, CT Window Replacement FAQs
What is the average cost to install windows?
The national average cost to replace one window is around $600 but can range from $200 to $1,200, based on several factors. The price is usually influenced by the size of the window, the type and material of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.
What type of window is the most energy-efficient?
Generally, double-pane windows will be more efficient than single-pane windows and windows that do not open are more efficient than windows that do. To be sure you're getting the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — this means they're certified energy-efficient by the U.S. Department of Energy.
What do window installation companies do?
Window installers go to your property to remove your old windows and replace them with new ones. Some providers install products manufactured by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation is done.
When is the best time of year to replace windows?
Replacement windows can be installed any time of the year, but warmer weather is typically better. Regardless of when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into your house, so the temperature outside doesn't necessarily matter that much. What's most important is that the weather should be dry.
Should I replace my windows all at the same time?
If your windows are more than 20 years old, you most likely need to replace all of them. At that point, they are usually less efficient, leakier and/or more damaged than new windows. Doing your windows all at the same time will involve less paperwork and less stress.