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Your Local Wholesale Window Dealer

Serving Buffalo, Tonawanda, Amherst, Grand Island, Kenmore, West Seneca & Clarence, NY

If you are looking for a wholesale window dealer offering quality windows, experienced installation, and friendly customer service, look no further. Serving all of Buffalo, NY since 1978, Tomson Window is proud to help you!


We are renowned throughout the area for outstanding window installation and attentive customer service. We want to help you lower your energy bills, make your home more comfortable, and reduce the amount of maintenance you have to do by providing you with beautiful new and replacement windows. From bay and double hung windows to sliding patio doors and casement windows, you’ll be amazed by the difference our doors and windows can make for your home.


Call today to learn more about our selection or to schedule a window installation service with us!

Call Us Today to Schedule a Free In-Home Estimate!

There are several signs that you need to replace your old windows. These include high energy bills, decaying frames, leaky windows, and regular condensation. If one of your rooms feels colder than all the other rooms then the windows might need to be replaced. Don’t hesitate to call us if you need new windows. 

To learn more about our replacement windows, we invite you to visit our showroom, located in the heart of Niagara Falls, just minutes from Interstate 190 and the Canadian border. We are able to serve the entire Buffalo, NY area including Amherst, Kenmore, Tonawanda, Grand Island, West Seneca, and Clarence, NY. There you can see all of our window styles. Or, if you prefer, we can come to you. Our owner Michael Tompkins handles all in-home evaluations and estimates himself, so you never have to worry about salespeople up selling you for the sake of their commissions.


Schedule your in-home estimate today!  

Window Installation

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Quality Replacement Windows & Doors

At Tomson Window, we are proud to install Soft-Lite windows and doors.

We choose to stock Soft-Lite windows and doors because they are beautifully designed and carefully engineered for beauty, low maintenance, and energy efficiency. Best of all, Soft-Lite windows are available in many different styles and options. You’re sure to find just the look you want for your home.

Even better, each window is custom sized, trimmed, and installed by our own crews. We never use subcontractors! You can always be sure you’ll be getting the best work, because our professional, courteous crews provide it personally.

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