10 Best Window Replacement Companies in Buffalo, NY

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Last Updated: February 25, 2025

Windows play an important role in your house's appearance and energy efficiency. Replacing your windows is an excellent way to increase the value of your home. In Buffalo, where the power bills are $900 per year on average, you could be spending an extra $269 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could be responsible for about 30% of residential energy climate use. When looking for a window installer, it's important to pick the right one, which is why we've assembled this guide to the top window installation companies in Buffalo.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Buffalo

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Comfort Windows & Doors

Comfort Windows & Doors Logo

Our Rating

User Rating

560 Fillmore Ave, Tonawanda, NY 14150 (716) 893-4663 comfortwindows.com

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Glass doors
Energy-efficient options
Window replacement/installation
Bay windows
Glass showers
Double-hung
Wood frames
Vinyl frames
Custom window designs

Braymiller Builders of WNY Inc.

Braymiller Builders of WNY Inc. Logo

Our Rating

User Rating

207 Lake St, Hamburg, NY 14075 (716) 646-5300 braymillerbuilders.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Bay windows
Window replacement/installation
Double-hung
Vinyl frames
Glass doors
Glass showers

Renewal By Andersen of Western New York

Renewal By Andersen of Western New York Logo

Our Rating

User Rating

23 Dick Rd, Depew, NY 14043 (716) 486-3001 rbawny.com

Price transparency

Free in-home or virtual consultation

Free assessment

No-interest financing

Educational website

Limited lifetime warranty

Good customer service

Services Offered

Custom window designs
Bay windows
Energy-efficient options
Glass doors
Window replacement/installation
Double-hung

Stanek Windows

Stanek Windows Logo

Our Rating

User Rating

2620 N America Dr, West Seneca, NY 14224 (716) 608-3244 stanekwindows.com

Good customer service

Free assessment

Educational website

Services Offered

Bay windows
Energy-efficient options
Window replacement/installation
Vinyl frames
Double-hung
Glass doors

Window Factory Outlet

Window Factory Outlet Logo

Our Rating

User Rating

815 Smith St, Buffalo, NY 14206 (716) 486-2000 windowfactoryoutlet.com

Good customer service

Lifetime residential warranty

Timely service

Free assessment

Free in-home consultations

Price transparency

No-interest financing

Services Offered

Glass doors
Double-hung
Window replacement/installation
Vinyl frames
Bay windows

Big L Windows & Doors

Big L Windows & Doors Logo

Our Rating

User Rating

2727 William St, Cheektowaga, NY 14227 (716) 895-8484 biglwindows.com

Good customer service

Price transparency

Limited lifetime warranty

No-interest financing

Free in-home or virtual consultation

Educational website

Free assessment

Timely service

Services Offered

Glass doors
Window replacement/installation
Bay windows

Pella Windows and Doors

Pella Windows and Doors Logo

Our Rating

User Rating

558 Sonwil Dr, Cheektowaga, NY 14225 (716) 681-2000 pella.com

Good customer service

Free in-home consultation

Free assessment

10-year product and installation warranties

Price transparency

Online service scheduling

Educational website

Services Offered

Window replacement/installation
Custom window designs
Glass doors
Wood frames
Double-hung

D & S Glass Services Inc.

D & S Glass Services Inc. Logo

Our Rating

User Rating

333 Fluvanna Ave, Jamestown, NY 14701 (716) 664-9321 dsglass.com

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Window replacement/installation
Energy-efficient options
Glass showers
Glass repair
Mirrors
Glass doors
Vinyl frames

ASAP Glass

ASAP Glass Logo

Our Rating

User Rating

138 N Union St, Olean, NY 14760 (716) 904-3040 asapglassofolean.com

Educational website

Good customer service

Timely service

Price transparency

Free assessment

Services Offered

Glass showers
Glass repair
Mirrors
Glass doors
Window replacement/installation

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

3901 Vineyard Dr, Dunkirk, NY 14048 (716) 222-9094 homedepot.com

Free assessment

Educational website

Price transparency

Good customer service

Services Offered

Energy-efficient options
Vinyl frames
Storm/impact windows
Window replacement/installation
Glass showers
Screen repair
Custom window designs
Glass doors
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Buffalo?

The cost of window installation or replacement varies based on a number of factors, including the number and size of the windows, the materials you choose, and how difficult your windows are to access or install. On average, Buffalo homeowners spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

New, energy-efficient windows can greatly boost your home's value, appearance, comfort, noise reduction, and insulation. Obvious signs that it's time for window replacement include the following:

  • High energy bills and a chilly house due to poor insulation around windows.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.
  • Inefficient and outdated window styles that take away from your house's curb appeal.
  • Drafts and cold air coming in from old, loose-fitting windows.
  • Windows that are difficult to open, close, or lock properly due to age and wear.

How To Choose a Window Company

Selecting a window installer with the right qualifications helps ensure a smooth installation. We explain the main factors to consider when selecting a qualified company below.

Experience

Find well-established local installers with lots of experience. Companies that have served Buffalo homeowners for years are more likely to understand the local climate and how to best meet your needs. Ask for references from recent customers to confirm a company’s reputation.

Certifications

Look for installers that are backed by leading window manufacturers and certified by leading industry groups, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has received suitable training in quality installation methods. Ensure installers are employees, not subcontractors, and verify that any technicians assigned to your job have the right certifications.

Reputation

Spend time reading through online reviews, verifying with the Better Business Bureau (BBB), and requesting local references. Review customer feedback to verify that the company consistently does quality work and provides good service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

The most qualified company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that lack clear and specific information. Look for continual communication throughout the process to avoid surprises once the project gets underway.

Warranties

Research window installers that back their installations with guarantees and offer warranties on materials and labor. This is a sign of expert workmanship. Opt for companies with unlimited lifetime warranties that transfer to new homeowners.

Materials

Verify that your window installer works with long-lasting, durable brands, offers power-saving window options, and fits your budget. Look for window options with design flexibility, enhanced UV protection, and good energy ratings, and check whether the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Buffalo, NY

In Buffalo, the ideal time to install windows is during the late spring or early summer when the temperatures are not as cold, so the windows can fit and settle properly. A professional local window installer in Buffalo will be able to tell you when the best time is to install windows on your house.

The best type of replacement windows for your Buffalo home depends on when your home was built –the average house in Buffalo was built around 1967. For older homes, you might want to consider efficient windows such as double-pane windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For more modern homes, you can consider vinyl windows, which are affordable, durable and have a modern look.

You can save money on window installation by going with a less expensive option like single-hung windows with vinyl frames. These have lower costs compared to other kinds of windows like double-hung, fiberglass, or wood windows.

The window installation process typically takes one to two days for a typical home. But if you have many windows to install, it may take longer. Some companies can complete the project in a single day, depending on the size of the job.

Replacing your own windows can be a complex task, especially in Buffalo, where temperatures can get quite cold. It's generally best to get a skilled window installer. They have the knowledge and experience to ensure your windows are properly installed and that you get the most out of your investment.

Window replacement companies in Buffalo typically offer several services, such as window installation, fixing windows, window maintenance, cleaning, tinting, and weatherproofing.

Other Buffalo, NY Home Services

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