20 Best Window Companies in Holtsville, NY (2025 Reviews)

Looking to upgrade 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 Holtsville 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 helping Holtsville homeowners find eco-conscious solutions for their homes. If you have traditional, outdated windows, your AC or heater could be working extra hard to heat or cool your home. This means higher power bills.

That’s also bad news for the environment because the extra energy used by damaged windows increases your carbon footprint.

We’ve put together a list of the best installation companies to help you in your research, so you can not only take advantage of brand-new windows, but also save money on your energy 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 Holtsville

The EcoWatch team assessed dozens of installers across the country to find the best window installation companies for our readers. We assessed the installers on their energy-efficient offerings, customer service, coverage area, local experience, 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 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.

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

Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Window World cost in Holtsville?

Prices are not available on Window World’s website because the cost of window replacement 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. The best way to know for sure 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 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.

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

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. Not all of Andersen’s windows are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Holtsville?

Prices are not available on Andersen’s website because the cost of window replacement 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. The best way to know for sure is to get a free quote from the company.

We have tried to stay unbiased and transparent by describing pros and cons for each company. Additionally, any partnerships do not influence our reviews.

More Window Companies in Holtsville

Renewal by Andersen of Long Island

Farmingdale, NY
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

Website: https://www.renewalbyandersen.com/window-company/800-long-island-ny/retailer
Address: 2029 New Hwy, Farmingdale, NY 11735
Phone: (631) 843-1713

Power Home Remodeling

Melville, NY
4.7
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: https://powerhrg.com/
Address: 1660 Walt Whitman Rd #140, Melville, NY 11747
Phone: (631) 339-7268

Window Nation

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

Services Offered

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

Flawless Glass & Mirror LLC

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

Services Offered

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

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

United Home Experts

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

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

Window Depot USA of Southern CT

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

Services Offered

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

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

Doors & Windows

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

Services Offered

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

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

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 Energy-Efficient Options
  • 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

Edge Remodeling, Inc.

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

Services Offered

  • Service icon Window Replacement/Installation

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

Greenwich Windows Replacement

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

Services Offered

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

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

Bert Falsetti's Home Improvement LLC

Shelton, CT
5.0
★★★★★

    Services Offered

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

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

    M & R Windows

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

    Services Offered

    • Service icon Window Replacement/Installation

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

    Cityproof Soundproof Windows

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

    Services Offered

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

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

    United Windows And Glass Repair LLC

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

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Double-Hung
    • Service icon Window Repair
    • Service icon Bay Windows
    • Service icon Glass Repair
    • Service icon Tempered Glass
    • Service icon Energy-Efficient Options

    Website: https://www.unitedwindowsandglassrepair.com/
    Address: 8714 21st Ave, Brooklyn, NY 11214
    Phone: (929) 969-0867

    Aspen Home Remodeling, LLC.

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

    Services Offered

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

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

    Ben Window & Glass

    Brooklyn, NY
    5.0
    ★★★★★
    • Pros icon Weekend availability
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Foggy window repair
    • Pros icon Educational Website
    • Pros icon Wide selection

    Services Offered

    • Service icon Window Repair
    • Service icon Window Replacement/Installation

    Website: https://benwindowglass.com/
    Address: 431 Bay Ridge Pkwy, Brooklyn, NY 11209
    Phone: (347) 799-0912

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

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

    F5 Remodeling

    Rutherford, NJ
    5.0
    ★★★★★
    • Pros icon Family-owned and operated
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Full-service installation
    • Pros icon Minority-owned and operated
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation

    Website: https://f5remodeling.com/
    Address: 8 Station Square #2, Rutherford, NJ 07070
    Phone: (551) 271-0650

    Smithtown Window Replacement and Doors

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

    Services Offered

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

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

    Mr. Handyman of Huntington and Smithtown

    East Northport, NY
    4.9
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Timely Service

    Services Offered

    • Service icon Window Repair
    • Service icon Window Replacement/Installation
    • Service icon Bay Windows

    Website: https://www.mrhandyman.com/huntington-smithtown/
    Address: 514 Larkfield Rd Suite 8, East Northport, NY 11731
    Phone: (631) 257-3213
    Holtsville Window Cost Calculator

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

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

    • Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can lower your indirect greenhouse gas emissions by about 12%, according to Energy Star.
    • Save on power bills: According to the Department of Energy, heat gained or lost through windows accounts for around 25-30% of household energy use. Replacing your windows with energy-efficient models can help reduce that number, therefore saving you about 12% more on your bills.
    • Protect your valuables from fading: When you upgrade to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will be protected from fading due to their ability to filter out damaging UV rays.
    • Protect your investment: The older your home is, the more likely you are to benefit from switching to energy-efficient windows. Older homes tend to have windows that are outdated, drafty or maybe even damaged in some way. Updating your windows could help increase the value of your property if you decide to sell.

    Estimated Cost of Window Replacement in Holtsville

    Each window replacement company offers various services and has different price points depending on a few factors.

    How Much Do New Windows Cost?

    According to our research, the typical cost to replace a single window is about $600. However, window replacement costs can range from $200 to $1,200 for each window. How much it will cost is based on several factors, like material, size, type, number of windows, the location of your home and more.

    Whether or not you pick energy-efficient windows is another factor that will affect the cost. These will almost always cost more than other windows, but on the other hand, you can save about $215 a year on your energy bills in Holtsville.

    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 offer good insulation. Composite frames made with 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 offer decent insulation for your home.

    What Services do Window Installers Offer?

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

    Full-frame installations require replacing the whole window — the sill, frame, trim and all. These are most common when you want to change the style of your window or when it has significant rot or deterioration. Full-frame installations involve more time and labor and will increase overall costs. Pocket installations (also known as retrofits) are when you replace a window while leaving the old frame. Pocket installations are simpler and won’t cost as much, 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 understand what’s best for your needs. In Holtsville, the decision will mostly depend on how old your home is and if there’s any moisture damage. Wood can decay if 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 Holtsville

    In our hunt to make your home improvements easier and more eco-friendly in Holtsville, the EcoWatch team landed on the above companies as the top window installation companies in the city. We’ve decided to review the top window replacement companies in Holtsville primarily based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy-efficient windows can reduce your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:

    Service Area

    This one is self-explanatory, but we’ve chosen to highlight window installers that serve a wide variety of states and cities so you can find a quality window installation company near you.

    Work Quality

    When picking new windows, the quality and variety of services can often play just as important of a role in overall efficiency and performance as the brand you choose. 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 installation, cost, professionalism, quality of parts, warranty and more.

    Cost

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

    Warranty

    Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that offer lengthy warranties for products, parts and 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 installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.

    Holtsville, NY Window Replacement FAQs

    How much should window installation cost?

    The national average cost of replacing one window is about $600 but can range from $200 to $1,200, based on several factors. The price is often 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?

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

    What do window installers do?

    Window installers cover the entire process — from replacing old windows with brand-new ones to cleaning up after the installation. Additionally, a lot of companies offer window manufacturing, customization and repairs.

    When is the best time of year to replace windows?

    While you can install windows any time of year, warmer weather is generally better for replacing windows. In addition, it shouldn’t be raining, because rain can make the installation harder.