20 Best Window Companies in Bethel, CT (2025 Reviews)

Thinking of improving your property’s value? The best window replacement companies can help.

We analyzed all the top-rated window companies in Bethel and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated January 24, 2025

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

A review of the top window replacement companies in Bethel may not seem like the most captivating article on the EcoWatch site, but trust us, windows impact your life more than you might realize. Poor windows can make your home uncomfortable in the summer or winter.

Thankfully, helping you save money with more efficient windows also aligns with our goals of reducing energy usage for the environment.

We’ve made a guide on the top installation companies to help you in your research, so you can not only benefit from brand-new windows, but also save money on your electricity bills.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Bethel

The EcoWatch Reviews team examined dozens of installers in Bethel to find the top window companies for our readers. We assessed the installers on their energy-efficient offerings, customer service, local experience, coverage area, price and more.

Window World logo
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in Bethel. This window installation company has been operating since 1995 and currently provides services to 200 locations nationwide. The company has hundreds of positive reviews from customers on online review websites.

It has established itself as a company 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 Windows

Window World appeals to eco-conscious consumers by providing energy-efficient window offerings. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.

How much does Window World cost in Bethel?

Prices aren’t mentioned on Window World’s website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate pricing information is to get a free quote from the company.

Renewal by Andersen logo
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen provides the best availability in Bethel. This window installation company has been operating since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. The company has hundreds of positive reviews from customers on online review websites.

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 Windows

Renewal by Andersen appeals to eco-conscious consumers by providing 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 Bethel?

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. The best way to get more accurate pricing information is to get a free quote from the company.

Aeroseal Windows logo
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon Many years of experience
  • Pros icon Great industry reputation
  • Pros icon Low number of customer complaints
  • Pros icon Manufactures products in-house
  • Pros icon Custom Designs
Cons:
  • Pros icon No lifetime warranty
  • Pros icon Not ideal for residential installations

Aeroseal Windows provides the best window installation for businesses in Bethel. This window installation company has been operating since 1999 and currently provides services to 13 states and Washington D.C. The company has hundreds of positive reviews from customers on online review websites.

It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal 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 Bethel?

Prices aren’t mentioned on Aeroseal’s website, but it provides high-quality windows at a competitive price point. The best way to get more accurate pricing information is to get a free quote from the company.

Window Nation logo
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty
  • Pros icon Limited service area

Window Nation provides the best residential windows in Bethel. This window installation company has been operating since 2006 and currently provides services to residents within 75 miles of its showrooms, which are in 13 states. The company has hundreds of positive reviews from customers on online review websites.

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 Windows

Window Nation appeals to eco-conscious consumers by providing energy-efficient window offerings. Each 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.

How much does Window Nation cost in Bethel?

Prices aren’t mentioned 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. The best way to get more accurate pricing information is to get a free quote from the company.

We aim to remain unbiased and transparent by including pros and cons for each provider. Additionally, any partnerships do not affect our rankings.

More Window Companies in Bethel

Renewal by Andersen - Branford

Branford, CT
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Bay Windows
  • Service icon Glass Doors

Website: http://www.renewalbyandersen.com/window-company/865-southern-connecticut.aspx
Address: 38 N Harbor St, Branford, CT 06405
Phone: (203) 274-8950

Power Home Remodeling

Trumbull, CT
4.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://powerhrg.com/
Address: 60 Commerce Dr Suite 150, Trumbull, CT 06611
Phone: (203) 659-4843

Window Nation

Wallingford, CT
4.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Glass Doors

Website: https://www.windownation.com/hartford-ct-showroom/
Address: 1070 N Farms Rd Unit 1, Wallingford, CT 06492
Phone: (475) 253-0015

Window Depot USA of Southern CT

Trumbull, CT
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Double-Hung
  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Triple Pane Glass
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Bay Windows

Website: http://windowdepotsouthernct.com/
Address: 5726 Main St STe 2a, Trumbull, CT 06611
Phone: (203) 309-6027

Bert Falsetti's Home Improvement LLC

Shelton, CT
5.0
★★★★★

    Services Offered

    • Service icon Double-Hung
    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options

    Website: http://bertfalsettillc.wix.com/falsetti
    Address: 56 Woodfield Dr, Shelton, CT 06484
    Phone: (203) 258-5177

    United Home Experts

    Norwalk, CT
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Fiberglass Frames
    • Service icon Window Replacement/Installation

    Website: https://unitedhomeexperts.com/united-home-experts-norwalk-ct-06854-siding-roofing-windows-doors/
    Address: 50 Washington St, Norwalk, CT 06854
    Phone: (203) 718-0597

    Putnam Windows Inc.

    Cold Spring, NY
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

    • Service icon Glass Doors
    • Service icon Wood Frames
    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation

    Website: http://putnamwindows.com/
    Address: 2560 US-9, Cold Spring, NY 10516
    Phone: (845) 265-4382

    Greenwich Windows Replacement

    Greenwich, CT
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Bay Windows
    • Service icon Double-Hung

    Website: http://www.greenwichwr.com/
    Address: 777 West Putnam Avenue, Greenwich, CT 06830
    Phone: (203) 424-3446

    M & R Windows

    Bronx, NY
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Timely Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://mandrwindows.com/
    Address: 4510 Bullard Ave, Bronx, NY 10470
    Phone: (718) 652-1300

    ZN Construction

    Canton, CT
    5.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Timely Service
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options

    Website: http://znconstructionct.com/
    Address: 5 Albany Turnpike Unit B6, Canton, CT 06019
    Phone: (860) 318-6340

    Paramount Gallery

    West Hartford, CT
    5.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Good Customer Service
    • Pros icon Price Transparency

    Services Offered

    • Service icon Glass Doors
    • Service icon Energy-Efficient Options
    • Service icon Window Replacement/Installation
    • Service icon Custom Window Designs

    Website: http://paramountgallery.us/
    Address: 121 Talcott Rd, West Hartford, CT 06110
    Phone: (860) 231-7884

    Aspen Home Remodeling, LLC.

    Oradell, NJ
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Free assessment

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Window Replacement/Installation
    • Service icon Skylights

    Website: https://www.aspenhomeremodelingllc.com/
    Address: 700 Kinderkamack Rd #101, Oradell, NJ 07649
    Phone: (201) 994-5354

    Flawless Glass & Mirror LLC

    Holbrook, NY
    5.0
    ★★★★★
    • Pros icon Owner-operated small business
    • Pros icon Educational Website
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Free in-home consultation
    • Pros icon Free assessment
    • Pros icon Customized glass options

    Services Offered

    • Service icon Glass Showers
    • Service icon Mirrors
    • Service icon Window Replacement/Installation

    Website: http://flawlessglassandmirror.com/
    Address: 1350 Lincoln Ave # 10, Holbrook, NY 11741
    Phone: (631) 275-0485

    Doors & Windows

    Albertson, NY
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Online product shopping
    • Pros icon Free in-home or virtual consultation
    • Pros icon Educational Website
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Sunday availability

    Services Offered

    • Service icon Vinyl Frames
    • Service icon Bay Windows
    • Service icon Window Replacement/Installation
    • Service icon Double-Hung
    • Service icon Wood Frames

    Website: http://usdoorswindows.com/
    Address: 830 Willis Ave, Albertson, NY 11507
    Phone: (516) 517-4328

    Edge Remodeling, Inc.

    Franklin Square, NY
    5.0
    ★★★★★
    • Pros icon Labor warranties available
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Free same-day estimates
    • Pros icon Family-owned and operated
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://edgeremodelinginc.com/
    Address: 1102 Hempstead Turnpike, Franklin Square, NY 11010
    Phone: (516) 860-8630

    Parco Home Improvement Corp.

    Franklin Square, NY
    5.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation

    Website: http://www.kpsearch.com/DF/Parco/all.asp
    Address: 424 Dogwood Ave, Franklin Square, NY 11010
    Phone: (516) 560-7626

    Frank Conforti Contracting

    North Haledon, NJ
    5.0
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Window Replacement/Installation
    • Service icon Window Repair
    • Service icon Skylights

    Website: https://confortiroofingnj.com/
    Address: 84 Walray Ave, North Haledon, NJ 07508
    Phone: (973) 519-2126

    HDL Construction LLC — Windows replacement, Roofing, Roof service, Siding replacement, Chimney, Deck, Masonry

    Hasbrouck Heights, NJ
    5.0
    ★★★★★
    • Pros icon Saturday and Sunday availability
    • Pros icon Free in-home consultation
    • Pros icon 24-hour emergency service
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.hdlconstructionnj.com/
    Address: 184 Boulevard Apt A, Hasbrouck Heights, NJ 07604
    Phone: (201) 375-5437

    Northern Windows Siding, Roofing and Insulation

    Goshen, NY
    5.0
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Window Replacement/Installation

    Website: http://northernwindows.com/
    Address: 2537 US Hwy, 6 NY-17M, Goshen, NY 10924
    Phone: (845) 294-4444

    Cityproof Soundproof Windows

    Long Island City, NY
    5.0
    ★★★★★
    • Pros icon Free assessment
    • Pros icon No-construction services available
    • Pros icon Trademark soundproof Citiwindows
    • Pros icon Good Customer Service
    • Pros icon Over 50,000 installations completed
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Timely Service

    Services Offered

    • Service icon Custom Window Designs
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options

    Website: https://www.cityproof.com/
    Address: 10-11 43rd Ave, Long Island City, NY 11101
    Phone: (718) 786-1600
    Bethel Window Cost Calculator

    Calculate how much you can expect to pay for window installation and replacement in Bethel, CT using our customized window cost calculator.

    Estimated Window Cost:
    161 homeowners have requested a free estimate in the last 3 days.

    Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.

    How Installing Energy-Efficient Windows in Bethel Saves You Money

    There are several benefits of switching to energy-efficient windows. Some reasons you may want to consider making the change are the following:

    • Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent damage from the sun's UV rays to your floors, carpets and furniture.
    • Protect your investment: Upgrading your windows is an important part of maintaining your property and its real estate value, especially if you have an older home.
    • Save money on power bills: Because energy-efficient windows lower the amount of energy used to heat or cool your home, they can help you save about $441 annually on your energy bills in Bethel.
    • Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your house, you can cut your indirect greenhouse gas emissions by about 12%, according to Energy Star.

    Estimated Cost of Window Replacement in Bethel

    Windows come in all shapes and sizes, so costs and services will differ considerably. Here are the typical costs and the primary services that you can find from window installation companies.

    How Much Do New Windows Cost?

    Generally, Bethel homeowners can anticipate their replacement window installations to range from $250 to $1,200. The most common installations sit at about $600. These amounts vary based on specific characteristics of your installation, like size, type, number of windows, material, the location of your home and more.

    It’s important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Bethel homeowners $441+ a year when replacing single-pane windows.

    Getting free quotes from several installers is the best way to figure out which one is right for you.

    What Services do Window Installers Offer?

    The first step when considering a window replacement is to figure out whether you need a full-frame or pocket installation.

    A full-frame installation is a total window replacement. This service involves removing the old window, the sill, and the exterior and interior trim. It can also involve extra materials, like insulation and drip edges, which increase the total cost of the project. Also worth noting: you may have to touch up the paint surrounding the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are simpler and will be less expensive, but you can’t do this kind of installment if you have any pre-existing rot or water damage.

    Your window installation company will be able to help you choose what’s best for your needs. In Bethel, the decision will mostly be based on how old your windows are and if there’s any damage. Wood can decay if it’s not properly maintained over the years, so it’s a good idea to have a professional check on your frames and window sills.

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    Best Availability

    Renewal by Andersen

    ★★★★★
    4.5
    • Great Industry Reputation
    • Award-winning Company
    • Member of US Green Building Council
    • Manufactures products in-house
    Save $375 Off Each Window
    Get Estimate

    Power Home

    ★★★★★
    4.5
    • Uses eco-friendly materials
    • Well-trained, certified installers
    • Lifetime or lengthy warranty
    Next-Day Appointments Available
    Get Estimate

    Best for Residential Windows

    Window Nation

    ★★★★★
    4.0
    • Custom Designs
    • Wide variety of products and services
    • Manufactures products in-house

    How We Choose the Best Window Installers in Bethel

    In our search to make your home improvements easier and more eco-friendly in Bethel, the EcoWatch Reviews team chose the above companies as the top window installation companies in the city. We have assessed the top window installation companies in Bethel primarily based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy Star certified windows can reduce your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:

    Service Area

    Because this is a guide for Bethel, we paid more attention to companies that serve the city. There are other reputable providers that didn’t make our list because they wouldn’t be able to serve homeowners in Bethel.

    Work Quality

    When selecting new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the type of window you opt for. 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

    We analyzed trends in recent customer feedback to find the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across most other categories, including professionalism, warranty, quality of parts, cost, quality of installation and more.

    Cost

    Cheaper windows certainly don’t mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing providers’ prices, 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 to many homeowners. For that reason, window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

    Years of Experience

    Lastly, we like to see companies that have a proven track record in the industry. Window installation companies that have more experience will earn higher rankings by our standards. We like to see at least ten years of experience.

    Bethel, CT Window Replacement FAQs

    What is the typical cost to replace windows?

    The national average cost of replacing one window is about $600 but can range between $200 and $1,200, based on several factors. The price is generally dependent on the type and material of the window, the location of your property and the size of the window. Also, keep in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.

    What are the different kinds of windows?

    There are several different types of windows you can get for your home, such as awning windows, casement windows, transom windows, picture windows, bay windows, slider windows and double-hung and single-hung windows.

    Can I install my own windows?

    Even though you can install your own windows, doing so requires a lot of time and experience with home improvement projects. Hiring a professional can help ensure that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.

    Should I replace all my windows at the same time?

    If you’re upgrading your windows to get more efficient windows, replacing all of the windows at once is the only way to see a noticeable difference. However, if you have only a few windows that are damaged or leaky, you can replace just those.

    How long does window installation typically take?

    Since the average installation time of a window is 30 minutes, about 16 windows can be installed in a typical 8-hour work day.