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

When you need to upgrade your windows, our guide to the top window installation companies can help you find the provider for you.

We analyzed all the top-rated window companies in Milford 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.

The EcoWatch team is all about finding solutions for eco-conscious homeowners in Milford. Drafty, leaky windows can cost you in electric bills. As a matter of fact, the Department of Energy estimates that 25-30% of your house’s heat or cool air could be lost through your windows.

Thankfully, helping you save energy with more efficient windows also helps our goals of conserving energy and the resources it takes to generate it.

So if you’re building a new home, renovating or changing out old windows in Milford, this is the best place to get started.

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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 Milford

The EcoWatch Reviews team researched dozens of providers that service the Milford area to find the best window installation companies that fit our standards. The providers in this article passed our review standards for energy-efficient offerings as well as local expertise, price, customer service and beyond.

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 is the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently services 200 locations nationwide.

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 Windows

There are a wide variety 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 Milford?

Pricing information is not available on Window World’s website because the cost of window installment depends on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. For more detailed information on pricing, you can get a 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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia.

It 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 variety 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 Milford?

Pricing information is not available on Andersen’s website because the cost of window installment depends on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. For more detailed information on pricing, you can get a 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 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. This company has been operating since 1999 and currently services 13 states and Washington D.C.

It installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

There are a wide variety 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 Milford?

Pricing information is not available on Aeroseal’s website because the cost of window installment depends on how many and what type(s) of windows you need. However, 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 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 is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has been operating since 2006 and currently services residents within 75 miles of its showrooms, which are in 13 states.

It 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 variety 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 Milford?

Pricing information is not available on Window Nation’s website because the cost of window installment depends on how many and what type(s) of windows you need. However, 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 detailed information on pricing, you can get a quote from the company.

We try to stay unbiased and transparent by listing pros and cons for each company we review. Additionally, our rankings are not affected by any partnerships.

More Window Companies in Milford

Renewal by Andersen - Branford

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

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Double-Hung
  • 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 Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

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

Bert Falsetti's Home Improvement LLC

Shelton, CT
5.0
★★★★★

    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

    Window Depot USA of Southern CT

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

    Services Offered

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

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

    United Home Experts

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

    Services Offered

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

    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

    Flawless Glass & Mirror LLC

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

    Services Offered

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

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

    Greenwich Windows Replacement

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

    Services Offered

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

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

    Paramount Gallery

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

    Services Offered

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

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

    ZN Construction

    Canton, CT
    5.0
    ★★★★★
    • 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 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

    Doors & Windows

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

    Services Offered

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

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

    Putnam Windows Inc.

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

    Services Offered

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

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

    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

    Edge Remodeling, Inc.

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

    Services Offered

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

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

    Big Dawg Home Improvements

    South Windsor, CT
    5.0
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Timely Service
    • Pros icon Price Transparency

    Services Offered

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

    Website: http://bigdawghomeimprovements.com/
    Address: 658 Foster St, South Windsor, CT 06074
    Phone: (860) 477-6673

    Aspen Home Remodeling, LLC.

    Oradell, NJ
    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
    • Service icon Skylights

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

    Cityproof Soundproof Windows

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

    Services Offered

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

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

    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

    Smithtown Window Replacement and Doors

    Smithtown, NY
    4.9
    ★★★★★
    • Pros icon Family-owned and operated
    • Pros icon Good Customer Service
    • Pros icon Weekend availability
    • Pros icon Energy-efficient windows and doors
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Educational Website

    Services Offered

    • Service icon Custom Window Designs
    • Service icon Fiberglass Frames
    • Service icon Energy-Efficient Options
    • Service icon Double-Hung
    • Service icon Triple Pane Glass
    • Service icon Vinyl Frames
    • Service icon Metal Frames
    • Service icon Tempered Glass
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Bay Windows
    • Service icon Wood Frames
    • Service icon Storm/Impact Windows
    • Service icon Glass Showers
    • Service icon Window Repair

    Website: https://smithtownwindowsdoors.com/
    Address: 43 Landing Ave, Smithtown, NY 11787
    Phone: (631) 646-2386
    Milford Window Cost Calculator

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

    Energy-efficient windows can offer benefits in several ways. Here are some reasons you may want to take the plunge and make the switch:

    • Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes usually have windows that are outdated, drafty or potentially even damaged in some way. Upgrading your windows could help increase the value of your property if you decide to sell.
    • Decrease your carbon footprint: In Milford, you can lower your indirect greenhouse gas emissions by about 147 pounds per year when you upgrade to energy-efficient windows.
    • Save on electricity bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% because you use less energy.
    • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.

    Estimated Cost of Window Replacement in Milford

    Each window installation company provides various services and has varying costs based on a few factors.

    How Much Do New Windows Cost?

    Typically, Milford homeowners can anticipate their window replacements to range from $250 to $1,200. The average cost sits at about $600. This is due to the fact that window installations depend on several factors specific to your home, such as the size, material and number of windows you need to install, as well as where your property is located.

    It’s also worth keeping in mind that energy-efficient windows will cost more initially, but Energy Star predicts that switching out the windows on your Milford home can mean an average energy savings of $236 to $319 a year for single-pane window replacement, or between $87 to $126 a 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.

    Costs will also vary depending on the material of your frame. Aluminum frames cost the least. They’re sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are somewhat expensive and provide good insulation. Composite frames made from wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They’re also aesthetically pleasing and provide decent insulation for your home.

    What Services do Window Installers Offer?

    The first question to ask yourself when planning to replace your windows is: Do you need a full-frame installation or a pocket installation?

    Full-frame installations require replacing the entire window — the sill, frame, trim and all. These are typically done when you want a different style for your windows or when it has significant rot or deterioration. Full-frame installations are more comprehensive and will increase overall costs. Pocket installations (or retrofits) involve replacing a window within its existing frame, which makes pocket installations more simple and affordable. But, if the frame has any rot or deterioration, you will likely need a full-frame installation instead.

    Your window installation company can help you decide which type of installation you should get.

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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 Milford

    In our search to find the most reliable, eco-friendly window installers in Milford, the EcoWatch team evaluated dozens of companies before settling on these. Along with energy efficiency, we assessed window companies all across the state and assigned rankings based on the following methodology:

    Service Area

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

    Work Quality

    When choosing new windows, the quality and range of services can often play just as important of a role in overall efficiency and performance as the type of window you get. 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 patterns in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across most other categories, including quality of parts, quality of installation, cost, professionalism, warranty and more.

    Cost

    This one is a give-and-take: similar to other services, cheap window installation companies won’t always provide the highest quality service. Still, we want to ensure we’re highlighting companies that provide a variety of price and financing options so they’re accessible to most homeowners.

    Warranty

    Protecting your investment in new windows is important. That’s why window installation companies with 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 good track record in the industry. Window installation companies that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.

    Milford, CT Window Replacement FAQs

    What is the typical cost to install 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 typically influenced by 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 a decent amount of money a year in energy bills.

    What are the most common types of replacement windows?

    There are several different kinds of windows you can get for your house, including picture windows, bay windows, awning windows, transom windows, slider windows, double-hung and single-hung windows and casement windows.

    When should I use a window installation company?

    You should use a window installation company whenever you want to upgrade your windows. Installing windows is a involved process that can be difficult to do on your own, so it’s best handled by the professionals.

    What time of year is the best time to replace my windows?

    Replacement windows can be installed during any season, but autumn might be best. No matter when you install them, the contractors will take steps to ensure that too much hot or cold air doesn’t get into the home, so the temperature outside isn’t necessarily a big factor. Most importantly, the weather should be dry.