20 Best Window Companies in Southold, NY (2024 Reviews)

When it’s time to replace your windows, our reviews of the top window installation companies can help you find the right provider for you.

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

The EcoWatch Reviews team is all about helping Southold homeowners find eco-conscious solutions for their homes. Traditional or damaged windows can cost you in electric bills. As a matter of fact, the Department of Energy estimates that 25-30% of your home’s heat or cool air could be lost through your windows.

Installing new, efficient windows on your house can help you save money each month on your electric bills — and you can help the environment, too.

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

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

Best Window Installation & Replacement Companies in Southold

The EcoWatch team evaluated several window providers across Southold to narrow our list down to the best ones. The installers in this article scored best in our review categories, which include energy-efficient offerings, customer service, price, availability, local expertise and more.

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 been in the window business for around 27 years. Many positive reviews on customer review websites back the company's reputation.

You may want to consider opting for Andersen if you're interested in 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

There are a wide range of window types that Renewal by Andersen offers, 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 Southold?

Andersen doesn’t have any cost information listed on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. For more accurate information on the cost, you can ask for a quote from the company.

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 been in the window business for around 27 years. Many positive reviews on customer review websites back the company's reputation.

You may want to consider opting for Window World if you're interested in 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

There are a wide range of window types that Window World offers, 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 Southold?

Window World doesn’t have any cost information listed on its website, but 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.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window business for around 20 years. Many positive reviews on customer review websites back the company's reputation.

You may want to consider opting for Universal if you're interested in a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

There are a wide range of window types that Universal Windows Direct offers, some of which are Energy Star products. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.

How much does Universal Windows Direct cost in Southold?

Universal doesn’t have any cost information listed on its website, but installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. For more accurate information on the cost, you can ask for a quote from the company.

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

More Window Companies in Southold

Renewal by Andersen - Branford

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

Services Offered

  • Service icon Window Install & Replacement
  • Service icon Sliding Glass Doors
  • Service icon Commercial Windows
  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Andersen

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

Window World of Hartford

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

Services Offered

  • Service icon Bay Windows
  • Service icon Vinyl Frames
  • Service icon Custom Window Designs
  • Service icon Window Install & Replacement
  • Service icon Double-Hung
  • Service icon Sliding Glass Doors

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 Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Energy-Efficient Options
  • Service icon Window Install & Replacement
  • Service icon Sliding Glass Doors
  • Service icon Fiberglass Frames

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

Riverhead Building Supply Store

Greenport, NY
4.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Marvin
  • Service icon Window Repair
  • Service icon Window Install & Replacement
  • Service icon Double-Hung
  • Service icon Sliding Glass Doors
  • Service icon Andersen

Website: http://rbscorp.com/locations/greenport-new-york.aspx
Address: 74500 Main Rd, Greenport, NY 11944
Phone: (631) 477-1906

Clinton Glass

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

Services Offered

  • Service icon Glass Doors
  • Service icon Fiberglass Frames
  • Service icon Mirrors
  • Service icon Glass Showers
  • Service icon Commercial Windows
  • Service icon Aluminum Frames
  • Service icon Custom Glass
  • Service icon Glass Repair
  • Service icon Window Repair
  • Service icon Window Install & Replacement
  • Service icon Sliding Glass Doors
  • Service icon Storm Doors

Website: https://www.clintonglassct.com/
Address: 221 E Main St, Clinton, CT 06413
Phone: (860) 664-3711

Riverhead Building Supply

Southampton, NY
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Marvin
  • Service icon Window Repair
  • Service icon Window Install & Replacement
  • Service icon Andersen

Website: http://rbscorp.com/locations/southampton-new-york.aspx
Address: 40 Powell Ave, Southampton, NY 11968
Phone: (631) 283-2000

Calvary Remodeling

Mystic, CT
5
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Install & Replacement

Website: https://www.calvaryremodeling.com/
Address: 34 Greenmanville Ave, Mystic, CT 06355
Phone: (203) 666-9326

Bencar Building Systems LLC

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

Services Offered

  • Service icon Glass Showers
  • Service icon Window Install & Replacement

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

Home Services at The Home Depot

Waterford, CT
2.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Glass Showers
  • Service icon Screen Repair
  • Service icon Window Repair
  • Service icon Vinyl Frames
  • Service icon Storm Doors
  • Service icon Wood Frames
  • Service icon Window Install & Replacement
  • Service icon Impact Windows

Website: https://www.homedepot.com/l/Waterford/CT/Waterford/06385/6215/services
Address: 816 Hartford Turnpike, Waterford, CT 06385
Phone: (860) 317-0206

Panorama Glass and Mirror

Hampton Bays, NY
2.9
★★★★★
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Showers
  • Service icon Aluminum Frames
  • Service icon Window Repair
  • Service icon Window Install & Replacement
  • Service icon Mirrors
  • Service icon Tempered Glass

Website: http://www.panoramaglassandmirror.com/
Address: 276 W Montauk Hwy, Hampton Bays, NY 11946
Phone: (631) 728-3919

Advanced Window Systems LLC

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

Services Offered

  • Service icon Sliding Glass Doors
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Window Install & Replacement

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

Guilford Glass Company, Inc.

Guilford, CT
2.7
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Showers
  • Service icon Mirrors
  • Service icon Storm Doors
  • Service icon Tempered Glass
  • Service icon Window Repair
  • Service icon Window Install & Replacement
  • Service icon Aluminum Frames

Website: http://guilfordglass.com/
Address: 82 State St, Guilford, CT 06437
Phone: (203) 458-8162

Nu-Face Home Improvements

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

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Window Repair
  • Service icon Alside
  • Service icon Window Install & Replacement

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

Middlesex Glass & Greenhouse

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

Services Offered

  • Service icon Mirrors
  • Service icon Window Install & Replacement
  • Service icon Window Repair

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

All Time Manufacturing Company, Inc.

Montville, CT
2.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Commercial Windows
  • Service icon Vinyl Frames
  • Service icon Storm Windows
  • Service icon Window Install & Replacement
  • Service icon Aluminum Frames

Website: http://www.alltimemfg.com/
Address: 284 CT-163, Montville, CT 06353
Phone: (860) 848-9258

All Pro Remodeling Corp

Mt Sinai, NY
4.6
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Sliding Glass Doors
  • Service icon Window Install & Replacement
  • Service icon Energy-Efficient Options
  • Service icon Window Repair
  • Service icon Andersen
  • Service icon Marvin

Website: https://www.allproli.com/
Address: 32 Chestnut St Suite A, Mt Sinai, NY 11766
Phone: (631) 928-0688

Turner Home Improvement Contractors, LLC

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

Services Offered

  • Service icon Commercial Windows
  • Service icon Window Install & Replacement
  • Service icon Residential Windows
  • Service icon Full-Service Installations

Website: https://www.turnerhomeimprovement.com/
Address: 182 Oakwood Dr, Glastonbury, CT 06033
Phone: (860) 633-1400

J.C. Tonnotti Window Company

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

Services Offered

  • Service icon Residential Windows
  • Service icon Energy-Efficient Options
  • Service icon Commercial Windows
  • Service icon Window Install & Replacement

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

Bert Falsetti's Home Improvement LLC

Shelton, 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 Vinyl Frames
  • Service icon Sliding Glass Doors
  • Service icon Window Install & Replacement
  • Service icon Energy-Efficient Options

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

Castle Windows

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

Services Offered

  • Service icon Window Install & Replacement

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

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

There are several perks of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch are the following:

  • Reduce your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can lower your carbon footprint by about 12%, according to Energy Star.
  • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Save on energy bills: Upgrading to energy-efficient windows lowers your energy bills by about 12% because you use less energy.
  • Protect your investment: If your home is on the older side, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your home if you decide to sell.

Estimated Cost of Window Replacement in Southold

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

How Much Do New Windows Cost?

According to our market research, the average cost of replacing a single window is about $600. However, window replacement costs can range from $200 to $1,200 for each window. But costs differ remarkably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door replacements, which have a higher price tag.

With windows, efficiency is the most important factor for most homeowners. Windows with higher efficiency may cost more upfront, but by increasing the efficiency of your home — especially during the summer and winter — they can provide many years of energy savings. According to Energy Star, buying certified energy-efficient windows can save Southold homeowners $215+ a year after replacing single-pane windows.

Another factor that affects the overall cost is the material you pick for your frame. Aluminum frames are generally the least expensive and are sturdy and light, but they offer poor insulation. On the other hand, wood frames are the most expensive, as they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.

What Services do Window Installers Offer?

There are typically two kinds of window replacement services: full-frame and pocket installations.

Full-frame installations are necessary when you want a new style or your window has a lot of rot or deterioration. With this service, your professionals will replace the complete window, including the trim, frame and sill. Pocket installations (also known as retrofits) are when you replace a window while leaving the existing frame. Pocket installations are simpler and won’t cost as much, but you can’t do this type of installment if you have any pre-existing rot or water damage.

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

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

How We Choose the Best Window Installers in Southold

In our search to find the most reliable, eco-friendly window installers in Southold, EcoWatch chose the above companies as the best window installation companies in the city. Along with energy efficiency, we reviewed each installer and assigned rankings using the following methodology:

Service Area

This one is pretty self-explanatory, but we’ve chosen to highlight window installers that serve Southold so you can find a quality window installation company near you.

Work Quality

We’re certain that you’re looking for professionals who do a great job installing windows. We’ve vetted each installer featured in our guide to make sure its contractors are well-qualified and that the company has gotten a lot 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 consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including quality of parts, cost, warranty, quality of installation, professionalism and more.

Cost

This one is a give-and-take: as with most services, cheap window installation companies won’t always provide the most quality service. Still, we want to make sure we’re highlighting companies that offer a variety 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 provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Southold, NY Window Replacement FAQs

What is the average cost to install windows?

The typical cost of installing a window ranges from $450 to $650. There are many factors that affect how much it costs, which include the number of windows, how energy-efficient the windows are, your property’s location, local labor costs, the materials used in designing the windows and styles and sizes of windows.

What are the most common types of replacement windows?

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

Do I really need to use a window installation company?

Unless you’re handy and have all the tools you need to replace your own windows, we recommend hiring the pros. The window installation process is quite involved and can take anywhere from four to six hours for a single window. Although it’s tempting to try to do it yourself to save money, hiring a company is a faster, more efficient and safer alternative.

Should I replace all my windows at the same time?

If you want to get more efficient windows and save money on your energy bills, replacing all the windows together is the only way to gain that benefit. However, if you have just one or two windows that are broken or drafty, you can replace just those.

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