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

If you’re thinking about getting new windows, our guide to the top window installation companies can help.

We analyzed all the top-rated window companies in Buffalo 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 June 24, 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.

A review of the top window replacement companies in Buffalo may not seem like the most compelling article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. According to the Department of Energy, heat or cool air lost through traditional, outdated windows could account for 25-30% of heating and cooling use.

That’s not great for either your bank account or the environment, but one of the best window installation companies can help with that.

So if you’re constructing a new home, renovating or updating your windows in Buffalo, this is the best place to get started.

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 Buffalo

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

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in Buffalo. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window installation business. Hundreds of positive reviews from customers online back the provider's reputation.

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

Window World is an Energy Star partner and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Window World representative when inquiring about services.

How much does Window World cost in Buffalo?

Prices aren’t mentioned on Window World’s website, but it's known for offering some of the most affordable window installations around. For more detailed information on the cost, you can request a quote from the company.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen provides the best availability in Buffalo. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window installation business. Hundreds of positive reviews from customers online back the provider's reputation.

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

Renewal by Andersen is an Energy Star partner and has a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to ask your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Buffalo?

Prices aren’t mentioned on Andersen’s 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 detailed information on the cost, you can request a quote from the company.

We’ve recommended installers with shining reputations, but keep in mind some national companies have independently owned locations in Buffalo, so the quality of service may depend on your local crew. We have tried to stay unbiased and transparent by listing pros and cons for every company reviewed.

More Window Companies in Buffalo

Renewal By Andersen of Western New York

Depew, NY
4.8
★★★★★
  • Pros icon Free in-home or virtual consultation
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Limited lifetime warranty
  • Pros icon No-interest financing
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.rbawny.com/
Address: 23 Dick Rd, Depew, NY 14043
Phone: (716) 486-3001

Express Windows

Buffalo, NY
4.7
★★★★★
  • Pros icon Price Transparency
  • Pros icon Financing options available
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Online billing and payments
  • Pros icon Free in-home or virtual consultation

Services Offered

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

Website: https://expresswindowsinc.com/
Address: 3495 Delaware Ave, Buffalo, NY 14217
Phone: (716) 602-8500

Pella Windows & Doors of Buffalo

Buffalo, NY
4.6
★★★★★
  • Pros icon Free in-home consultation
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon 10-year product and installation warranties
  • Pros icon Online service scheduling

Services Offered

  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Wood Frames
  • Service icon Double-Hung
  • Service icon Glass Doors

Website: https://www.pellabranch.com/buffalo/showrooms/buffalo-ny/
Address: 2410 Walden Ave, Buffalo, NY 14225
Phone: (716) 681-2000

MIRIS Building Supplies

North Tonawanda, NY
4.6
★★★★★
  • Pros icon Price Transparency

Services Offered

  • Service icon Skylights
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.mirisbuildingsupplies.com/
Address: 391 River Rd, North Tonawanda, NY 14120
Phone: (716) 694-9069

Window Factory Outlet

Buffalo, NY
4.5
★★★★★
  • Pros icon No-interest financing
  • Pros icon Lifetime residential warranty
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Free in-home consultations

Services Offered

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

Website: http://windowfactoryoutlet.com/
Address: 815 Smith St, Buffalo, NY 14206
Phone: (716) 486-2000

Big L Windows & Doors

Cheektowaga, NY
4.5
★★★★★
  • Pros icon Free assessment
  • Pros icon Free in-home or virtual consultation
  • Pros icon Timely Service
  • Pros icon No-interest financing
  • Pros icon Limited lifetime warranty
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: https://biglwindows.com/
Address: 2727 William St, Cheektowaga, NY 14227
Phone: (716) 895-8484

Stanek Windows

West Seneca, NY
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Energy-efficient windows
  • Pros icon No-interest financing
  • Pros icon Free in-home consultation
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://www.stanekwindows.com/
Address: 2620 N America Dr, West Seneca, NY 14224
Phone: (716) 608-3244

Comfort Windows & Doors

Tonawanda, NY
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Locally operated
  • Pros icon No-interest financing
  • Pros icon Free in-home consultation
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

Website: https://www.comfortwindows.com/locations/buffalo
Address: 560 Fillmore Ave, Tonawanda, NY 14150
Phone: (716) 893-4663

Braymiller Builders of WNY Inc.

Hamburg, NY
4.8
★★★★★
  • Pros icon Financing options available
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Free in-home consultation
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Family-owned and locally operated

Services Offered

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

Website: http://www.braymillerbuilders.com/
Address: 207 Lake St, Hamburg, NY 14075
Phone: (716) 646-5300

Window World of Buffalo

Depew, NY
3.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Financing options available
  • Pros icon Price Transparency
  • Pros icon Free in-home consultation
  • Pros icon Free assessment
  • Pros icon 3D home visualizer
  • Pros icon Educational Website

Services Offered

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

Website: https://www.windowworldofbuffalo.com/
Address: 4444 Broadway, Depew, NY 14043
Phone: (716) 656-0100

Advance Glass

Williamsville, NY
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

Website: https://advanceglass.com/
Address: 5585 Harris Hill Rd, Williamsville, NY 14221
Phone: (716) 741-9030

American Glass Block

Buffalo, NY
3.2
★★★★★
  • Pros icon Energy-efficient windows
  • Pros icon Free assessment
  • Pros icon 20-year warranty
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free in-home consultation

Services Offered

  • Service icon Window Replacement/Installation

Website: https://americanglassblock.info/
Address: 300 Bailey Ave, Buffalo, NY 14210
Phone: (716) 826-6200

AVA Roofing & Siding

North Tonawanda, NY
3.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.avaroofing.com/
Address: 672 Niagara Falls Blvd, North Tonawanda, NY 14120
Phone: (716) 226-0661

The Energy King Windows & Doors

Buffalo, NY
2.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

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

Website: http://energykingwindows.com/
Address: 815 Smith St, Buffalo, NY 14206
Phone: (716) 854-1600

Arrow Door & Glass

West Seneca, NY
2.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://westsenecawindowinstallationservice.com/
Address: 27 Highland Ave, West Seneca, NY 14224
Phone: (716) 453-2778

Glass Block by Chris

Buffalo, NY
2.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

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

Website: http://glassblockbychris.com/
Address: 100 Dundee St, Buffalo, NY 14220
Phone: (716) 510-0652

Airtite Wholesale Building Materials

Clarence Center, NY
3.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: http://www.airtitewholesale.com/
Address: 8645 Roll Rd, Clarence Center, NY 14032
Phone: (716) 741-2127

Modern Window of NY

Orchard Park, NY
2.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: http://ilovemodernwindow.com/
Address: 227 Thorn Ave, Orchard Park, NY 14127
Phone: (716) 873-8800

Nexgen Windows & Doors LLC

East Amherst, NY
3.0
★★★★★
  • 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 Double-Hung
  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Window Replacement/Installation

Website: http://www.nexgenwindows.com/
Address: 301 Charlesgate Cir, East Amherst, NY 14051
Phone: (716) 568-4245

Tomson Window

Niagara Falls, NY
3.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

Website: http://www.tomsonwindow.com/
Address: 4829 Tomson Ave, Niagara Falls, NY 14304
Phone: (716) 236-8487
Buffalo Window Cost Calculator

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

Switching to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here's more information on how switching out your windows could benefit you:

  • Save money on power bills: According to the Department of Energy, heat gained or lost through windows accounts for around 25-30% of household energy use. Installing energy-efficient models can help decrease how much energy is used in your home, therefore saving you about 12% more on your bills.
  • Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
  • Protect your investment: If you have an older home, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
  • Reduce your carbon footprint: In Buffalo, you can cut your indirect greenhouse gas emissions by about 65 pounds per year after you switch to energy-efficient windows.

Estimated Cost of Window Replacement in Buffalo

Windows come in different shapes and sizes, so costs and services will differ greatly. Here are the typical costs and the primary services that you can find from the average window installation company.

How Much Do New Windows Cost?

Generally, Buffalo homeowners can expect their window installations to range from $250 to $1,200. The average cost is at about $600. These figures vary based on the specifics of your installation, including the location of your home, material, type, number of windows, size and more.

It’s important to note that windows with the best efficiency may cost more initially but can save you hundreds of dollars by decreasing your energy bills. Investing in Energy Star certified windows can save Buffalo homeowners $368+ a year when replacing single-pane windows.

How much your window installation costs will also vary based on the kind of material you choose for the frames. Wood windows are usually the most expensive, although it depends on whether they are completely wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are more efficient.

What Services do Window Installers Offer?

In regard to window installations, in general there are two types that your provider will have: full-frame and pocket installations.

A full-frame installation replaces the entire window, including the windowsill, frame, trim and the window panes. As this kind of installation requires more time, it will be more expensive than a pocket installation. Pocket installations are simpler and won’t carry as large a bill because they entail simply replacing the window within its existing frame. But if the frame has any damage, you may have to get a full-frame installation instead.

Your window installation company should be able to help you decide which type of installation you need.

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 Buffalo

EcoWatch reviews are different from most reviews since we assess these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and ranked them using the following methodology:

Service Area

Since this is a guide for Buffalo, we paid more attention to companies that provide services to the city. There are certainly reputable providers that didn’t make the cut because of the low odds that they would serve the average homeowner in Buffalo.

Work Quality

When selecting new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the brand you choose. We do give window installers more points if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

Another self-explanatory yet very important review factor is customer feedback. If most customers don’t have good things to say about their experience with a certain window installation company, you won’t see it featured on EcoWatch.

Cost

This one is a give-and-take: similar to other services, cheap window companies won’t always provide the highest quality service. On the other hand, we want to ensure we’re highlighting companies that offer a wide 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. That’s why window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Buffalo, NY Window Replacement FAQs

How much does a window install cost?

The national average cost to replace a window is around $600 but can range between $200 and $1,200, depending on several factors. The price is generally influenced by the location of your property, the size of the window and the type and material of the window. Also, keep in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.

What kind of window is the most energy-efficient?

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 often the most energy-efficient since they are certified by the U.S. Department of Energy.

When do I need to use a window installation company?

You should use a window installation company whenever you need to replace your windows. Installing windows is a complicated process that can be difficult to do on your own, so it’s best left to the professionals.

Should I replace all my windows at once?

If you want to get more efficient windows and save money on energy costs, replacing all the windows together is the only way to see a noticeable difference. However, if you have only a few windows that are damaged or leaky, you can replace just those.

How long does it typically take to install windows?

Each window takes around 30 minutes to install depending on the type of window. However, the window installation can take two days or more if you have a lot of windows that must be installed.