Follow These Easy Steps:

Get in-touch with us

Fill out the form on this page. We’ll contact you promptly to discuss your project and your preferred method of interaction. We’re set up for both in-home and virtual meetings to accommodate your preferences and comfort level. You can also email us at info@biglwindows.com or give us a call at 716-895-8484.

The consultation

Once we review your plans, we’ll delve into what your clients are looking for and provide design and product options to consider, followed by any additional in-store or on-site meetings.

Time to quote the job

After the product selections have been finalized, we’ll provide you with a detailed estimate.

Let’s get to work!

Upon submission of the final product order, we’ll schedule a delivery date so you can manage expectations–for both your resources and clients. The finishing touch is the level of support we provide when it comes time for installation.

Free Consultation

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Benefits of Big L


Exclusive Total Trust
Guarantee

When you buy new windows and doors from Big L, you can rest easy knowing our work and products are backed by our Total Trust Guarantee – it’s our promise to you that you’ll be completely satisfied for years to come.


Extensive Product Selection and
Customization Options

The products we feature are as comprehensive as the service you can expect from Big L. From windows and patio doors, to skylights and entry door systems, the options we offer bring an increased level of flexibility to your job.


40+ Years
of Experience

We’ve covered a lot of ground over the years and have had the pleasure of working with the trade community in this area on a variety of projects. We appreciate that a job done right reflects well on all involved and that’s our commitment to you.

We're here to help you

Whether you choose to meet with us virtually or in-person, at Big L we believe our job is to go the extra mile to ensure your projects live up to all expectations. Our professional staff of window and door experts look forward to hearing all about your jobs, and to providing the product and service solutions that will bring them to life.

Contact us today to learn more about the national brands we carry such as Marvin, Therma-Tru, Restorations and ProVia.