23 Best Window Replacement Companies in Fairfield, CT (Mar 2023)
Window Companies Near Me
Thinking about upgrading your windows? We've got you covered in this list of the best window installation companies.
We analyzed all the top window installers in Fairfield and selected the top 23 based on:
-
Customer reviews
-
Window replacement expertise
-
Popularity with home-owners like you
Please enter a valid 5-digit zip code!

Updated March 14, 2023
Why you can trust EcoWatch
Whether you're updating for aesthetics or have old windows, windows play a crucial role in conserving energy in your home. Potential leaks or drafts from your windows can make your AC or heater work extra hard in the summer or winter.
Replacement windows improve your home's insulation, not only making you more comfortable during extreme temperatures, but also saving you money and helping the environment.
Because windows have such a big impact on your home, choosing the right company for you is a big choice to make. That's why the EcoWatch team has created this list of the best window installation companies, so you can make an informed decision more easily.
Best Affordability
Window World
- Large serice area
- Lifetime warranty
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Manufactures products in-house
- Great industry reputation
- More expensive than competition
Best for Residential Windows
Window Nation
- Wide variety of products and services
- Award-winning company
- Manufactures products in-house
- Installation not covered by warranty
Best Window Replacement Companies in Fairfield
The EcoWatch Reviews team examined dozens of installers across the country to find the best window installation companies for our readers. We assessed the installers on energy-efficient offerings, customer service, coverage area, price, local experience and more.

Window World
-
Large serice area
-
Lifetime warranty
-
EnergyStar Partner
-
Quality of service will depend on your area
Window World provides windows expertise in Fairfield. Window World has around 27 years of industry experience, and it currently serves 200 locations nationwide. Its reputation is backed by several positive reviews from customers online.
It 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 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 windows are Energy Star certified, so make sure you mention that you're interested in Energy Star windows when inquiring.
How much does Window World cost in Fairfield?Window World does not display prices on its website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate pricing information.

Renewal by Andersen
-
Award-winning company
-
Manufactures products in-house
-
Great industry reputation
-
More expensive than competition
Renewal by Andersen provides the best availability in Fairfield. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window installation business. Hundreds of positive reviews from customers online back the provider's reputation.
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 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 windows are Energy Star certified, so be sure to mention that you'd like Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Fairfield?Prices aren't mentioned 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. For more accurate information on pricing, you can get a quote from the company.

Window Nation
-
Wide variety of products and services
-
Award-winning company
-
Manufactures products in-house
-
Installation not covered by warranty
Window Nation provides the best residential windows in Fairfield. 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 industry, and it currently provides services to residents within 75 miles of its showrooms, which are in 13 states.
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 company for you.
Energy Efficiency of Window Nation WindowsWindow Nation is an Energy Star partner with 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 Window Nation representative when inquiring about services.
How much does Window Nation cost in Fairfield?Even though pricing information is not readily available on Window Nation's website, 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. You can inquire about a free quote on its website for more information about the cost.

Aeroseal Windows
-
Many years of experience
-
Great industry reputation
-
Low number of customer complaints
-
Manufactures products in-house
-
Custom Designs
-
No lifetime warranty
-
Not ideal for residential installations
Aeroseal Windows provides the best window installation for businesses in Fairfield. 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. This company has been in business since 1999 and currently services 13 states and Washington D.C. The company has plenty of positive reviews from customers on online review websites.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows appeals to eco-conscious consumers by providing energy-efficient window offerings. 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 Fairfield?Pricing details are not available on Aeroseal's website because the cost of window installment differs based on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. For more accurate information on the cost, you can inquire about a quote from the company.
Please note that the following companies are national, meaning the quality of the service may depend on your local team. We have tried to be unbiased and transparent by including pros and cons for each company.
More Window Replacement Companies in Fairfield
Renewal by Andersen of Long Island
Farmingdale, NY-
Free Quotes
-
No-Hassle Pricing
-
Good Customer Service
-
Reliable Appointment Windows
Services Offered
-
Fast Delivery
-
Custom Windows
-
Business Windows
-
Double-Hung
-
Stained Glass
-
Sliding Glass
-
Bay Windows
Renewal by Andersen - Branford
Branford, CT-
Timely Service
-
No-fee Quotes
-
Good Customer Service
-
Price Transparency
Services Offered
-
Residential Windows
-
Custom Windows
-
Commercial Windows
-
Double-Hung
-
Stained Glass
-
Sliding Glass
-
Bay & Bow Windows
TL Home Improvement LLC
Shelton, CT-
Reliable Appointment Windows
-
Free Quotes
-
Good Customer Service
-
Educational Website
Services Offered
-
Residential Windows
-
Fast Delivery
-
Energy-Efficient Options
-
Custom Windows
-
Aluminum Window Frames
-
Full-Service Installations
-
Double-Hung
Renewal by Andersen
Stamford, CT-
No-fee Quotes
-
Reliable Appointment Windows
-
No-Hassle Pricing
-
Educational Website
Services Offered
-
Custom Window Designs
-
Commercial Windows
-
Double-Hung
-
Stained Glass
-
Sliding Glass
-
Bay Windows
Nu-Face Home Improvements
Plantsville, CT-
Excellent Customer Service
-
No-Hassle Pricing
-
Arrives on Time
-
Award-Winning
Services Offered
-
Residential Windows
-
Glass Showers
-
Energy-Efficient Options
-
Custom Window Designs
-
Double-Hung
-
Sliding Glass
Pella Windows & Doors of Roslyn Heights
Roslyn Heights, NY-
No-Hassle Pricing
-
No-fee Quotes
-
Good Customer Service
-
Consistent Workmanship
Services Offered
-
Residential Windows
-
Architectural Glass
-
Custom Window Designs
-
Aluminum Window Frames
-
Business Windows
-
Double-Hung
-
Sliding Glass
Storefront Glass & Metal
Huntington Station, NY-
No-Hassle Pricing
-
Educational Website
-
Consistent Workmanship
-
Timely Service
Services Offered
-
Architectural Glass
-
Heavy Glass
-
Custom Window Designs
-
Aluminum Window Frames
-
Business Windows
-
Double-Hung
-
Sliding Glass
ATM Mirror & Glass
Buchanan, NY-
No-Hassle Pricing
-
Award-Winning
-
Educational Website
-
Good Customer Service
Services Offered
-
Residential Windows
-
Architectural Glass
-
Glass Showers
-
Fast Delivery
-
Energy-Efficient Options
-
Doors
-
Custom Windows
-
Aluminum Window Frames
-
Business Windows
-
Sliding Glass
Mr. Handyman of Upper Fairfield County
Fairfield, CT-
Helps Educate Customers
-
Price Transparency
-
Locally Recognized for Quality
-
No-fee Quotes
Services Offered
-
Double-Hung
-
Full-Service Installations
-
Custom Windows
-
Residential Windows
-
Commercial Windows
Giant Siding and Windows
White Plains, NY-
Award-Winning
-
Helps Educate Customers
-
Excellent Customer Service
-
No-fee Quotes
Services Offered
-
Residential Windows
-
Custom Window Designs
-
Commercial Windows
-
Double-Hung
-
Sliding Glass
The Window People
Stamford, CT-
Consistent Workmanship
-
Educational Website
-
No-Hassle Pricing
-
Free Quotes
Services Offered
-
Residential Windows
-
Architectural Glass
-
Energy-Efficient Options
-
Custom Windows
-
Aluminum Window Frames
-
Business Windows
-
Double-Hung
-
Sliding Glass
Eastern Glass & Shower Door
Milford, CT-
No-fee Quotes
-
Excellent Customer Service
-
No-Hassle Pricing
-
Educational Website
Services Offered
-
Doors
-
Full-Service Installations
-
Custom Window Designs
-
Tempered Glass
-
Residential Windows
-
Business Windows
-
Aluminum Window Frames
-
Sliding Glass
-
Glass Showers
Sears Window Replacement
New Rochelle, NY-
Timely Service
-
Excellent Customer Service
-
Price Transparency
-
Educational Website
Services Offered
-
Sliding Glass
-
Custom Window Designs
-
Energy-Efficient Options
-
Double-Hung
Tri State Window Factory
Deer Park, NY-
Dependable Service
-
No-fee Quotes
-
Award-Winning
-
Arrives on Time
Services Offered
-
Custom Windows
-
Fast Delivery
-
Sliding Glass
-
Double-Hung
V. Nanfito Roofing & Siding
Meriden, CT-
Free Quotes
-
Award-Winning
-
Good Customer Service
-
Educational Website
Services Offered
-
Residential Windows
-
Business Windows
-
Full-Service Installations
-
Custom Window Designs
Mr. Handyman of Guilford, North and East Haven
East Haven, CT-
Excellent Customer Service
-
No-Hassle Pricing
-
Helps Educate Customers
-
Consistent Workmanship
Services Offered
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
-
Double-Hung
Window World of Long Island
Farmingdale, NY-
Free Quotes
-
Consistent Workmanship
-
Arrives on Time
-
No-Hassle Pricing
Services Offered
-
Fast Delivery
-
Tempered Glass
-
Custom Windows
-
Double-Hung
-
Sliding Glass
Long Island Storefronts
Shirley, NY-
Consistent Workmanship
-
Good Customer Service
-
Free Quotes
-
Price Transparency
Services Offered
-
Architectural Glass
-
Custom Windows
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
Lowe's Home Improvement
Riverhead, NY-
Free Quotes
-
Excellent Customer Service
-
Reliable Appointment Windows
-
Price Transparency
Services Offered
-
Energy-Efficient Options
-
Custom Window Designs
-
Aluminum Window Frames
-
Double-Hung
-
Sliding Glass
American Windows Plus Inc
White Plains, NY-
Helps Educate Customers
-
Consistent Workmanship
-
Excellent Customer Service
-
Free Quotes
Services Offered
-
Residential Windows
-
Architectural Glass
-
Energy-Efficient Options
-
Custom Windows
-
Aluminum Window Frames
-
Business Windows
-
Double-Hung
-
Sliding Glass
Villwell Builders, LLC
Waterbury, CT-
Reliable Appointment Windows
-
Locally Recognized for Quality
-
Price Transparency
-
Dependable Service
Services Offered
-
Custom Window Designs
-
Residential Windows
-
Commercial Windows
Window King of Connecticut
Stamford, CT-
Timely Service
-
No-fee Quotes
-
No-Hassle Pricing
-
Educational Website
Services Offered
-
Residential Windows
-
Custom Window Designs
-
Aluminum Window Frames
-
Commercial Windows
-
Double-Hung
-
Sliding Glass
Cascella And Sons Construction Corp.
Central Islip, NY-
Timely Service
-
No-Hassle Pricing
-
Consistent Workmanship
-
Supports Charities
Services Offered
-
Custom Window Designs
-
Business Windows
-
Double-Hung
How Installing Energy-Efficient Windows in Fairfield Saves You Money
When you upgrade to energy-efficient windows, you may see several perks, including:
- Protect your investment: If your home is on the older side, your windows are most likely outdated. Updating your windows can make your home more comfortable and also help increase the value of your house if you decide to sell.
- Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent the fading of your floors, carpets and furniture by filtering out UV rays.
- Decrease your carbon footprint: Reducing how much energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by about 147 pounds.
- Save money on power bills: The Department of Energy estimates that heat gained or lost through windows accounts for about 25-30% of energy use in your home. Installing energy-efficient windows can help reduce that number, which helps you save $441 a year on your bills.
Estimated Cost of Window Replacement in Fairfield
Windows come in various shapes and sizes, so costs and services will differ tremendously. Here are the typical costs and services that you'll find from window installation companies.
How Much Do New Windows Cost?
According to our research, the typical cost of installing a single window is around $600. However, window installation costs can range from $200 to $1,200 a window. But costs will differ significantly depending on the quality of your products, your location, the current condition of your home and the number of windows you need. Many window companies also offer door installations and other add-ons like baths, shutters, coating and more. Additional services will increase your overall project costs.
It's also worth keeping in mind that energy-efficient windows will almost always cost more initially, but Energy Star estimates that switching out the windows on your Fairfield 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 installing energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.
Another factor that affects the total cost is the material you choose for your frame. Aluminum frames are usually the least pricey and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames cost the most because they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.
What Services do Window Installers Offer?
The first step of an installation is to decide whether you need a full-frame or pocket installation.
Full-frame installations entail replacing the full window, including the trim, sill and frame. Full-frame installations are necessary when you want a new style or your window has significant damage or rot. Full-frame installations are more involved and will raise the total cost. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are simpler and won't carry as large a bill, but you can't do this type of installment if you have any pre-existing rot or water damage.
Your window installation company can advise you on the best type for your project. In Fairfield, the choice will mostly be based on the efficiency of your home and the age of your existing frames.
Best Affordability
Window World
- Large serice area
- Lifetime warranty
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Manufactures products in-house
- Great industry reputation
- More expensive than competition
Best for Residential Windows
Window Nation
- Wide variety of products and services
- Award-winning company
- Manufactures products in-house
- Installation not covered by warranty
How We Choose the Best Window Installers in Fairfield
EcoWatch reviews are different from other reviews since we evaluate these companies through a sustainability lens. Along with energy efficiency, we analyzed several window installers in Fairfield and ranked them based on the following methodology:
Service Area
Because this is a guide for Fairfield, we paid more attention to companies that cover 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 Fairfield.
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 in our guide to make sure its technicians are well-qualified and that the company has received tons of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed patterns in recent customer feedback to determine the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it reflects the quality of services across most other categories, including cost, quality of installation, quality of parts, professionalism, warranty and more.
Cost
This one is a give-and-take: similar to most services, cheap window installers are not going to provide the most quality service. On the other hand, we want to ensure we're highlighting companies that offer a range of price and financing options so they're accessible to most homeowners.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Because of Fairfield's climate, homeowners need to be wary of low efficiency, rot and water damage. We factored in local experience to reflect the ability of Fairfield window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Fairfield, CT Window Replacement FAQs
What is the typical cost to install windows?
The national average cost of installing a window is about $600 but can range between $200 and $1,200, depending on a variety of factors. The price is often dependent on the type and material of the window, the location of your property and the size of the window. Also, remember that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.
Which type of window is the best?
A window's energy efficiency depends on several factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are usually the most energy-efficient and are certified by the U.S. Department of Energy.
Do you really need to use a window installation company?
Unless you're handy and have the time needed to replace your own windows, we recommend hiring a professional installer. The window installation process is quite involved and can take anywhere from four to six hours for one window. Although it's tempting to try to save some money by doing it yourself, hiring a company is a faster, more efficient and much safer option.
How often do you need to replace your windows?
Windows typically last 20 to 30 years, but anytime you see damage on your windows, it's a good time to have an expert take a look at them to determine if they are in need of a repair or replacement.