20 Best Window Companies in Prospect, CT (2024 Reviews)

Thinking about upgrading your home's windows? We’ve got you covered in this guide to the top window installation companies.

We analyzed all the top-rated window companies in Prospect 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 February 01, 2024

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.

Whether you're doing renovations or have damaged windows, windows play a key role in conserving electricity in your home. If your windows are made of traditional materials, or are outdated or damaged, you could be losing 25-30% of your house’s heat or cool air right out of them.

Replacement windows improve your home’s insulation, not only making you and your family more comfortable during the summer and winter, but also saving you some money and helping the environment.

We’ve compiled 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 energy bills.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
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 Window Installation & Replacement Companies in Prospect

The EcoWatch Reviews team evaluated dozens of window installation companies across Prospect to narrow our list down to the top ones. The companies we’ve mentioned in this article passed our review standards for energy-efficient offerings as well as price, customer service, local expertise and beyond.

Window World logo
FAST QUOTE
as little as 30 seconds
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 is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has about 27 years of industry experience, and it currently provides services to 200 locations nationwide.

Window World may be the company for you if you want 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 Windows

There are a wide range of window types available from Window World, some of which are Energy Star products. 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 Prospect?

Even though prices are not readily available on Window World’s website, it's known for offering some of the most affordable window installations around. For more accurate information on the cost, you can ask for a quote from the company.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of industry experience, and it currently provides services to nearly every state except Mississippi and West Virginia.

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 Windows

There are a wide range of window types available from Renewal by Andersen, some of which are Energy Star products. 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 Prospect?

Even though prices are not readily available on Andersen’s website, 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 the cost, you can ask for a quote from the company.

Aeroseal Windows logo
FAST QUOTE
as little as 30 seconds
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 is 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 about 23 years of industry experience, and it currently provides services to 13 states and Washington D.C.

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 Windows

There are a wide range of window types available from Aeroseal Windows, 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 Prospect?

Even though prices are not readily available on Aeroseal’s website, it provides high-quality windows at a competitive price point. For more accurate information on the cost, you can ask for a quote from the company.

Window Nation logo
FAST QUOTE
as little as 30 seconds
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 is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has about 16 years of industry experience, and it currently provides services to residents within 75 miles of its showrooms, which are in 13 states.

Window Nation may be the company for you if you want one that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.

Energy Efficiency of Window Nation Windows

There are a wide range of window types available from Window Nation, some of which are Energy Star products. 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 Prospect?

Even though prices are 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. For more accurate information on the cost, you can ask for a quote from the company.

Please note that the companies in this section are national, which means the quality of the service may depend on your local team. We have tried to remain unbiased and transparent by including pros and cons for each provider.

More Window Companies in Prospect

Renewal by Andersen Window Replacement

Middletown, CT
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: http://www.renewalbyandersenct.com/
Address: 54 Tuttle Pl #1, Middletown, CT 06457
Phone: (866) 337-4191

Window World of Hartford

Manchester, CT
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

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

Website: https://www.windowworldct.com/
Address: 409 New State Rd, Manchester, CT 06042
Phone: (860) 643-4568

Window Nation

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

Services Offered

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

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

Bencar Building Systems LLC

Wallingford, CT
4.9
★★★★★
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.bencarbuildingsystems.com/
Address: 210 N Plains Industrial Rd, Wallingford, CT 06492
Phone: (203) 269-9204

J.C. Tonnotti Window Company

Southington, CT
4.8
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: http://www.jctonnotti.com/
Address: 205 Bristol St, Southington, CT 06489
Phone: (860) 621-1642

Naugatuck Window & Glass

Naugatuck, CT
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Mirrors
  • Service icon Custom Glass
  • Service icon Glass Doors
  • Service icon Glass Showers
  • Service icon Energy-Efficient Options

Website: http://www.naugatuckwindowandglass.com/
Address: 253 Prospect St, Naugatuck, CT 06770
Phone: (203) 729-4536

Nu-Face Home Improvements

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

Services Offered

  • Service icon Double-Hung
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://nufacect.com/
Address: 855 Berlin Turnpike, Berlin, CT 06037
Phone: (860) 681-3002

Marino's Waterbury Glass

Waterbury, CT
3.2
★★★★★

    Services Offered

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

    Website: http://www.marinoswaterburyglass.com/
    Address: 2538 E Main St, Waterbury, CT 06705
    Phone: (203) 573-0333

    Bert Falsetti's Home Improvement LLC

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

    Services Offered

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

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

    Bartlett Contracting, LLC

    Wolcott, CT
    3.1
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Free assessment

    Services Offered

    • Service icon Bay Windows
    • Service icon Glass Doors
    • Service icon Window Replacement/Installation

    Website: https://bartlettcontractingllc.com/
    Address: 1776 Meriden Rd, Wolcott, CT 06716
    Phone: (203) 558-1696

    Woodbury Supply Company, Inc.

    Oxford, CT
    3.1
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Good Customer Service

    Services Offered

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

    Website: https://www.woodburysupply.com/
    Address: 103 Willenbrock Rd, Oxford, CT 06478
    Phone: (800) 562-9679

    Empire Construction

    Wallingford, CT
    3.1
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.empirellc.biz/
    Address: 323 N Cherry St Ext, Wallingford, CT 06492
    Phone: (203) 269-3559

    Advanced Window Systems LLC

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

    Services Offered

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

    Website: https://www.advancedwindowsystems.com/
    Address: 14 Alcap Ridge, Cromwell, CT 06416
    Phone: (860) 718-4586

    Gibson Cellar Door and Window

    Kensington, CT
    3.4
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

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

    Website: http://gibsoncellardoor.com/
    Address: 1131 Chamberlain Hwy, Kensington, CT 06037
    Phone: (860) 628-4400

    DiMartino Home Improvement

    North Haven, CT
    2.8
    ★★★★★
    • Pros icon Price Transparency

    Services Offered

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

    Website: http://www.dimartinohi.com/
    Address: 323 Washington Ave 4 "Rear, North Haven, CT 06473
    Phone: (203) 239-0558

    Castle Windows

    East Berlin, CT
    4.3
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation

    Website: https://www.castlewindows.com/
    Address: 105 Clark Dr # H, East Berlin, CT 06023
    Phone: (860) 829-5700

    Town & Country Glass Shop llc | Custom Shower Door & Window Supplier

    Woodbury, CT
    3.4
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

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

    Website: http://townandcountryglassshop.com/
    Address: 244 Main St N, Woodbury, CT 06798
    Phone: (203) 263-4527

    Exteriors Plus LLC

    Terryville, CT
    2.8
    ★★★★★
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.exteriorsplusllc.com/
    Address: 8 Greystone Rd, Terryville, CT 06786
    Phone: (860) 584-8030

    Middlesex Glass & Greenhouse

    Cromwell, CT
    4.6
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Price Transparency

    Services Offered

    • Service icon Mirrors
    • Service icon Window Replacement/Installation

    Website: http://middlesexglassct.com/
    Address: 211 Shunpike Rd # 3, Cromwell, CT 06416
    Phone: (860) 632-5788

    Paramount Gallery

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

    Services Offered

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

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

    Calculate how much you can expect to pay for window installation and replacement in Prospect, 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 Prospect Saves You Money

    There are quite a few perks of switching to energy-efficient windows. A few reasons you may want to consider making the change are the following:

    • Protect your investment: When your home is on the older side, your windows could also be outdated or damaged. Upgrading your windows is an important part of maintaining your property and its value.
    • Save money on electricity bills: After you switch to energy-efficient windows, you can expect a reduction in your bills by about 12% because you’ll require less energy to heat or cool your home.
    • Reduce your carbon footprint: Decreasing how much energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 147 pounds per year on average.
    • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.

    Estimated Cost of Window Replacement in Prospect

    Windows come in all shapes and sizes, so costs and services will vary tremendously. Here are the typical costs and services that you can find from the average window installation company.

    How Much Do New Windows Cost?

    Though the typical cost to replace a single window is around $600, it can range anywhere from $200 to $1,200. These figures vary depending on the specifics of your installation, like number of windows, type, size, material, the location of your home and more.

    It’s important to keep in mind that windows with higher efficiency may cost more upfront but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Prospect homeowners $420+ a year when replacing single-pane windows.

    Asking for free quotes from several installers 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 types of window installation services companies provide: full-frame and pocket installations.

    Full-frame installations entail replacing the total window, including the trim, frame and sill. Full-frame installations are necessary when you want to change the style of your windows or your window has significant deterioration. Because these installations are more involved, they will raise overall costs. Pocket installations (or retrofits) involve replacing a window within its existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any damage or rot, you should opt for a full-frame installation instead.

    If you’re not sure which window installation service you should get, your installer should be able to help you out. In general, the choice is influenced by factors such as the age and condition of the home, the type of building material, budget and time restrictions.

    Best Availability

    Renewal by Andersen

    ★★★★★
    4.5
    • Great industry reputation
    • Member of US Green Building Council
    • Manufactures products in-house
    Buy One Window, Get One 40% OFF
    Get Estimate

    Best Energy-Efficient Features

    Champion

    ★★★★★
    4.5
    • Many years of experience
    • Low prices relative to competitors
    • Limetime warranty
    Buy 2 Windows, Get 2 Free
    Get Estimate

    Power Home

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

    How We Choose the Best Window Installers in Prospect

    In our hunt to find the most reliable, eco-friendly window installers in Prospect, the EcoWatch team chose the above companies as the top window installation companies in the city. We have reviewed the best window replacement companies in Prospect mainly based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy-efficient windows can cut your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:

    Service Area

    Since this is a guide for Prospect, we only included companies that cover the city. There are certainly other reputable providers that didn’t make the list because they wouldn’t be able to serve homeowners in Prospect.

    Work Quality

    We’re certain that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each company featured in our guide to ensure its contractors are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.

    Customer Reviews

    Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don’t have positive things to say about their experience with a certain installer, it won’t be featured on EcoWatch.

    Cost

    This one is a give-and-take: similar to other services, cheap window installers may not provide the highest quality service. Still, we want to make sure we’re highlighting companies that offer a spectrum of price and financing options so they’re accessible to most homeowners.

    Warranty

    Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.

    Years of Experience

    Because of Prospect’s climate, homeowners will want to mitigate low efficiency, rot and water damage. We factored in local experience to reflect the ability of Prospect window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.

    Prospect, CT Window Replacement FAQs

    How much should a window install cost?

    The typical cost of replacing a single window can range between $450 and $650. There are many factors that influence how much it costs, such as the number of windows, the materials used in designing the windows, your property’s location, local labor costs, styles and sizes of windows and how energy-efficient the windows are.

    What are the different types of windows?

    The most common kinds of windows for homes are slider windows, casement windows, awning windows, bay windows, picture windows, double-hung and single-hung windows and transom windows.

    Can I install my own windows?

    If you’re handy and know how to replace a window, it’s possible to install your own windows. But if you don’t have the time or experience, we recommend hiring a professional.

    How do you know it’s time to replace your windows?

    Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, then they should probably be replaced. Other than that, if your windows have any damage on them, or they have become difficult to open or close, they may be in need of replacement.

    Should I replace my windows all at once?

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