29 Best Window Replacement Companies in Stamford, CT (Feb 2023)
Window Companies Near Me
Thinking about replacing your windows? We've got you covered in this list of the top window installation companies.
We analyzed all the top window installers in Stamford and selected the top 29 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 January 12, 2023
Why you can trust EcoWatch
Whether you're doing home renovations or have damaged windows, windows play a vital role in conserving your home's energy. During the winter months, the last thing you want is your heat to leak out of your outdated windows.
That's also bad news for the environment, as the extra energy required by old windows increases your carbon footprint.
We've made a list of the top installation companies to help you in your research, so you can not only take advantage of brand new windows, but also save money on your electricity bills.
Best Affordability
Window World
- Low prices relative to competitors
- Large serice area
- Great industry reputation
- 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 for Businesses
Aeroseal Windows
- Custom Designs
- Low number of customer complaints
- Great industry reputation
- No lifetime warranty
Best Window Replacement Companies in Stamford
The EcoWatch team examined several window installation companies in Stamford to find the best ones for our readers. The installers mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, price, customer service and beyond.

Window World
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Low prices relative to competitors
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Large serice area
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Great industry reputation
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Quality of service will depend on your area
Window World has windows expertise in Stamford. Window World has about 27 years of experience in the window installation business. Its reputation is backed by hundreds of positive reviews on customer review websites.
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 right company for you.
Energy Efficiency of Window World WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World's offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.
How much does Window World cost in Stamford?Window World doesn't have any pricing information displayed on its website, but it's known for offering some of the most affordable window installations around. If you'd like more accurate information, you can get a quote on the company's website.

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 has the best availability in Stamford. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of experience in the window replacement business. Its reputation is backed by many positive reviews on customer review websites.
Andersen may be the company for you if you want one 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 WindowsRenewal by Andersen's commitment to sustainability can be seen 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 Stamford?Andersen doesn't have any pricing information displayed 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 ask for a free quote on its website for more information about pricing.

Aeroseal Windows
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Custom Designs
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Low number of customer complaints
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Great industry reputation
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No lifetime warranty
Aeroseal Windows provides the best window installation for businesses in Stamford. This provider has 23 years of experience in the window installation business, and it has proved to be one of the most reputable companies in Stamford.
It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so make sure to ask your Aeroseal representative when inquiring about services.
How much does Aeroseal Windows cost in Stamford?While pricing information is not available on Aeroseal's website, it provides high-quality windows at a competitive price point. For more detailed information on pricing, you can get a 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 is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This provider has 16 years of experience in the windows business, and it has proved to be one of the most reputable companies in the business. Its reputation is backed by all the positive reviews from customers online.
If you're looking for a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms, this may be the provider for you.
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 want Energy Star windows when inquiring.
How much does Window Nation cost in Stamford?Prices aren't displayed on Window Nation's 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. If you'd like more accurate information, you can get a quote on the company's website.
We've recommended providers with shining reputations, but bear in mind that some national companies have independently owned locations in Stamford, so your service may differ depending on your local crew. We have tried to be unbiased and transparent by including pros and cons for every company reviewed.
More Window Replacement Companies in Stamford
Sky Windows and Doors
Freeport, NY-
Price Transparency
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Educational Website
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Reliable Service
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Free Quotes
Services Offered
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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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Doors
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Custom Window Designs
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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
Renewal by Andersen of Long Island
Farmingdale, NY-
Helps Educate Customers
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Award-Winning
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No-fee Quotes
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Consistent Workmanship
Services Offered
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Fast Delivery
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Custom Window Designs
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Commercial 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
TL Home Improvement LLC
Shelton, CT-
Award-Winning
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Timely Service
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Good Customer Service
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Free Quotes
Services Offered
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Residential Windows
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Fast Delivery
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Double-Hung
Bluesky Windows & Construction
New York, NY-
Excellent Customer Service
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Free Quotes
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Arrives on Time
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Dependable 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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Business Windows
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Double-Hung
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Sliding Glass
The Glass Guru
East Rutherford, NJ-
Free Quotes
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Excellent Customer Service
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No-Hassle Pricing
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Award-Winning
Services Offered
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Glass Showers
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Tempered Glass
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Custom Window Designs
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Aluminum Window Frames
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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
Taylor Door, llc
Paterson, NJ-
Helps Educate Customers
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Timely Service
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Reliable Service
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Good Customer Service
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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Stained Glass
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Residential Windows
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Commercial Windows
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Sliding Glass
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Aluminum Window Frames
Renewal by Andersen
Stamford, CT-
Educational Website
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No-fee Quotes
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Consistent Workmanship
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Award-Winning
Services Offered
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Custom Windows
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Business 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
Pella Windows & Doors of Roslyn Heights
Roslyn Heights, NY-
Excellent Customer Service
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Reliable Service
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Residential Windows
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Architectural Glass
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Custom Window Designs
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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
Window Gallery North Bergen
North Bergen, NJ-
Dependable Service
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No-Hassle Pricing
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Reliable Appointment Windows
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Excellent Customer Service
Services Offered
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Residential Windows
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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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Business Windows
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Double-Hung
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Sliding Glass
Storefront Glass & Metal
Huntington Station, NY-
Dependable Service
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Reliable Appointment Windows
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Good Customer Service
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Free Quotes
Services Offered
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Architectural Glass
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Heavy 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
ATM Mirror & Glass
Buchanan, NY-
Helps Educate Customers
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Price Transparency
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Good Customer Service
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Locally Recognized for Quality
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Fast Delivery
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Energy-Efficient Options
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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
Mr. Handyman of Upper Fairfield County
Fairfield, CT-
No-fee Quotes
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Good Customer Service
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Reliable Service
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Educational Website
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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Residential Windows
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Business Windows
Giant Siding and Windows
White Plains, NY-
Reliable Appointment Windows
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Locally Recognized for Quality
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Price Transparency
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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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Business Windows
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Double-Hung
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Sliding Glass
Alba European Windows & Doors
The Bronx, NY-
Free Quotes
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Excellent Customer Service
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Price Transparency
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Educational Website
Services Offered
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Residential Windows
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Architectural Glass
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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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Commercial Windows
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Double-Hung
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Sliding Glass
The Window People
Stamford, CT-
Helps Educate Customers
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Good Customer Service
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Consistent Workmanship
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Free Quotes
Services Offered
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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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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
Hoboken Glass Company
Hoboken, NJ-
Excellent Customer Service
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Consistent Workmanship
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Educational Website
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Arrives on Time
Services Offered
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Glass Showers
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Tempered Glass
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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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Stained Glass
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Sliding Glass
Eastern Glass & Shower Door
Milford, CT-
No-fee Quotes
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Good Customer Service
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Doors
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Full-Service Installations
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Custom Windows
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Tempered Glass
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Residential Windows
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Commercial Windows
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Aluminum Window Frames
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Sliding Glass
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Glass Showers
Bernie's Glass & Mirror
Brooklyn, NY-
No-fee Quotes
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Educational Website
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No-Hassle Pricing
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Arrives on Time
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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Double-Hung
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Stained Glass
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Sliding Glass
Home Supply Window & Door
Hawthorne, NJ-
Timely Service
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No-Hassle Pricing
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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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Fast Delivery
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Business Windows
Complete Roof Systems
Dumont, NJ-
Reliable Appointment Windows
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Price Transparency
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No-fee Quotes
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Helps Educate Customers
Services Offered
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Residential Windows
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Fast Delivery
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
ABCO Glazing
Suffern, NY-
No-Hassle Pricing
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Excellent Customer Service
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Tempered Glass
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Custom Window Designs
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Aluminum Window Frames
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Commercial Windows
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Stained Glass
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Sliding Glass
Home Services at The Home Depot
Brooklyn, NY-
Free Quotes
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Price Transparency
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Helps Educate Customers
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Dependable Service
Services Offered
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Residential Windows
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Architectural Glass
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Fast Delivery
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Sliding Glass
Window Depot Usa Of Lower NY
South Hempstead, NY-
Free Quotes
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Helps Educate Customers
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Excellent Customer Service
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Locally Recognized for Quality
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
Sears Window Replacement
New Rochelle, NY-
Price Transparency
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Free Quotes
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Dependable Service
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Award-Winning
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
ARDMOR Windows & Doors
Wallington, NJ-
Free Quotes
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Locally Recognized for Quality
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Arrives on Time
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Educational Website
Services Offered
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Custom Windows
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Residential Windows
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Sliding Glass
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Double-Hung
Tri State Window Factory
Deer Park, NY-
No-fee Quotes
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Timely Service
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Price Transparency
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Helps Educate Customers
Services Offered
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Custom Window Designs
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Fast Delivery
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Sliding Glass
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Double-Hung
Tri State Window Factory
Seaford, NY-
Free Quotes
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Locally Recognized for Quality
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Reliable Appointment Windows
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Educational Website
Services Offered
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Custom Window Designs
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Fast Delivery
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Sliding Glass
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Double-Hung
Window World of Long Island
Farmingdale, NY-
Dependable Service
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Timely Service
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Price Transparency
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Good Customer Service
Services Offered
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Fast Delivery
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Tempered Glass
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Custom Window Designs
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Double-Hung
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Sliding Glass
American Windows Plus Inc
White Plains, NY-
Consistent Workmanship
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Good Customer Service
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Educational Website
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No-fee Quotes
Services Offered
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Residential Windows
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Architectural Glass
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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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Commercial Windows
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Double-Hung
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Sliding Glass
How Installing Energy-Efficient Windows in Stamford Saves You Money
There are several perks of switching to energy-efficient windows. Some reasons you may want to consider making the change are the following:
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
- Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its value, particularly if your home is on the older side.
- Save on electricity bills: Installing energy-efficient windows reduces your energy bills by about 12% because you use less energy.
- Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can cut your carbon footprint by about 12%, according to Energy Star.
Estimated Cost of Window Replacement in Stamford
Each window installation company offers various services and has different price points based on a few factors.
How Much Do New Windows Cost?
Though the national average of replacing one window is about $600, it can range anywhere from $200 to $1,200. But costs vary remarkably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door installations, which carry a higher price tag.
Whether or not you opt for energy-efficient windows is another factor that will affect the cost. These will typically cost more than other windows, but on the other hand, you can save about $459 a year on your energy bills in Stamford.
Requesting free quotes from multiple companies is the best way to find out which one will work best for your budget.
What Services do Window Installers Offer?
In general, there are two kinds of window replacement services companies provide: full-frame and pocket installations.
Full-frame installations entail replacing the complete window, including the sill, frame and trim. Full-frame installations are necessary when you want a new style or your window has considerable rot. Because full-frame installations are more involved, they will raise the total cost. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are on the simpler end and won't carry as large a bill, but you can't do this kind of installment if you have any pre-existing rot or water damage.
If you're still debating which kind of installation you need, you can talk to your provider and get their advice. The decision mostly is influenced by the age of your window frames and if there's any damage.
Best Affordability
Window World
- Low prices relative to competitors
- Large serice area
- Great industry reputation
- 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 for Businesses
Aeroseal Windows
- Custom Designs
- Low number of customer complaints
- Great industry reputation
- No lifetime warranty
How We Choose the Best Window Installers in Stamford
In our search to make your home improvements easier and more eco-friendly in Stamford, the EcoWatch team evaluated many companies before landing on these. We have decided to review the top window installation companies in Stamford mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to reduce your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:
Service Area
Since this is a guide for Stamford, we only included companies that serve the city. There are other reputable providers that didn't make our list because of the low odds that they would serve the average homeowner in Stamford.
Work Quality
We're willing to bet that you're looking for a company to do a great job installing windows. We've vetted each installer on this list to ensure its contractors are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent customer feedback to determine the companies with the most consistent customer satisfaction. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across nearly every category, including quality of installation, professionalism, quality of parts, warranty, cost and more.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed, windows are a significant investment, so you'll want to make sure that investment is well protected. Window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) 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 installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.
Stamford, CT Window Replacement FAQs
What is the typical cost to install windows in a home?
The average cost to install a window ranges from $450 to $650. There are a variety of factors that affect the cost, including styles and sizes of windows, how energy-efficient the windows are, your property's location, local labor costs, the number of windows and the materials used in designing the windows.
What are the kinds of windows?
The most common kinds of windows for homes are bay windows, transom windows, casement windows, awning windows, slider windows, picture windows and double-hung and single-hung windows.
What do window installers do?
Window installers go to your home to remove your old windows and replace them with new ones. Some providers install products distributed 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 it time to replace your windows?
Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Apart from that, if your windows have any damage on them, or they have become difficult to operate, they may be in need of replacement.
Should I replace all my windows at once?
If you're upgrading your windows to save on your energy bills, replacing all of your windows together is the only way to gain that benefit. On the other hand, if you have only a few windows that are damaged or leaky, you can replace just those.