20 Best Window Companies in Mount Sinai, NY (2024 Reviews)

When you need to upgrade your windows, our reviews of the best window installation companies can help you find the provider for you.

We analyzed all the top-rated window companies in Mount Sinai 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 Mount Sinai homeowners make their homes more eco-friendly. If your windows are made of traditional materials, or are outdated or damaged, you could be losing 25-30% of your home’s heat or cool air out of them.

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

Unlike other sites, EcoWatch ranks window replacement companies on energy efficiency while also considering cost, customer satisfaction and service area.

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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 Mount Sinai

The EcoWatch Reviews team researched dozens of companies that service the Mount Sinai area to find the top window installation companies by our standards. The providers in this article scored best in our review categories, such as energy-efficient offerings, availability, customer service, local expertise, 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 installation industry for about 27 years.

You may want to consider going with Window World if you're looking for a installer 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 variety 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 Mount Sinai?

Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. You can inquire about a free quote on its website for more information about the cost.

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 installation industry for about 27 years.

You may want to consider going with Andersen if you're looking for a installer 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 variety 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 Mount Sinai?

Andersen does not detail prices 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. You can inquire about a free quote on its website for more information about the cost.

Please note that the following companies are national, meaning the quality of customer service may vary depending on your local crew. We have tried to stay unbiased and transparent by mentioning pros and cons for each company.

More Window Companies in Mount Sinai

Renewal by Andersen of Long Island

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

Services Offered

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

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

Services Offered

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

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

Window Nation

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

Services Offered

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

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

Services Offered

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

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

Services Offered

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

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

Window Depot USA of Southern CT

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

Services Offered

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

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

Bert Falsetti's Home Improvement LLC

Shelton, CT
5.0
★★★★★

    Services Offered

    • Service icon Double-Hung
    • Service icon Energy-Efficient Options
    • 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

    Greenwich Windows Replacement

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

    Services Offered

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

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

    Doors & Windows

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

    Services Offered

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

    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 Free assessment
    • Pros icon Price Transparency

    Services Offered

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

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

    Edge Remodeling, Inc.

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

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

    Services Offered

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

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

    Aspen Home Remodeling, LLC.

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

    Services Offered

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

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

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

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

    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

    Smithtown Window Replacement and Doors

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

    Services Offered

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

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

    Services Offered

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

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

    Homestead Window Treatments

    Huntington Station, NY
    4.9
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Saturday availability
    • Pros icon Online appointment scheduling
    • Pros icon Educational Website
    • Pros icon Family-owned and operated
    • Pros icon Free assessment

    Services Offered

    • Service icon Custom Window Designs
    • Service icon Window Replacement/Installation

    Website: https://homesteadwindowtreatments.com/
    Address: 11 Walt Whitman Rd, Huntington Station, NY 11746
    Phone: (631) 380-4992

    MK Window Treatments

    Greenwich, CT
    4.9
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.mkwindowtreatments.com/
    Address: 270 Mason St, Greenwich, CT 06830
    Phone: (203) 900-1500

    Life Restoration Inc

    Roosevelt, NY
    4.9
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Saturday availability
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Transparent and upfront pricing
    • Pros icon Free in-home consultation
    • Pros icon Free assessment

    Services Offered

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

    Website: https://liferestorationinc.com/
    Address: 45 Frederick Ave, Roosevelt, NY 11575
    Phone: (516) 206-2043
    Mount Sinai Window Cost Calculator

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

    Energy-efficient windows can benefit you in more than one way. Here are some reasons you may want to think about making the switch:

    • Decrease your carbon footprint: You can reduce your carbon footprint by about 12% when you install Energy Star certified windows. In Mount Sinai, that’s about 307 pounds per year on average.
    • Protect your investment: If your home is on the older side, your windows are most likely outdated. Updating your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
    • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
    • Save on energy bills: Since energy-efficient windows lower how much energy you need to heat or cool your home, the switch can help you save around $215 annually on your energy bills in Mount Sinai.

    Estimated Cost of Window Replacement in Mount Sinai

    Each window installer offers various services and has different price points based on several factors.

    How Much Do New Windows Cost?

    Generally, homeowners in Mount Sinai can anticipate that most replacement window installations will cost between $250 and $1,200, with the most common installations sitting at around $600. But costs differ considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also offer door replacements, which will add extra costs to your project.

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

    We advise requesting free quotes from several window installers to find the one that works best for you.

    What Services do Window Installers Offer?

    There are generally two types of window installation services: full-frame and pocket installations.

    A full-frame installation replaces the entire window, including the sill, frame, trim and the window panes. Because this type of installation requires more time, it will cost more than a pocket installation. A pocket installation means replacing a window within the existing frame, which tends to be cheaper than a full-frame installation.

    If you’re not sure which window installation service you should get, your installer can advise you. Typically, the choice is influenced by factors like the age and condition of the home, the type of building material, budget and time restrictions.

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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 Mount Sinai

    EcoWatch reviews differ from most reviews, as we evaluate these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and assigned rankings using the following methodology:

    Service Area

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

    Work Quality

    When it comes to new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

    Customer Reviews

    We analyzed patterns in recent online reviews to find the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across most other categories, including warranty, cost, quality of installation, quality of parts, professionalism and more.

    Cost

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

    Years of Experience

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

    Mount Sinai, NY Window Replacement FAQs

    How much does a window install cost?

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

    What kind of window is the best for energy efficiency?

    A window’s energy efficiency is influenced by a number of factors, including the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are typically the most energy-efficient since they are certified by the U.S. Department of Energy.

    Can I replace my own windows?

    While it is possible to install your own windows, doing so requires a lot of time and handiness. Hiring a professional can help ensure that the job is done properly and that you can avoid spending the time and effort of doing it yourself.

    Should I replace all my windows at the same time?

    If you want to get more efficient windows and save money on energy costs, replacing all the windows at the same time is the only way to gain that benefit. On the other hand, if you have just a few windows that are broken or leaky, you can replace just those.

    How long does window installation generally take?

    Each window takes about 30 minutes to install based on the type of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.