Schedule a Free Consultation with Big L

EXPERT INSTALLATION
DONE RIGHT THE FIRST TIME

Whether you’re remodeling, building a new custom home or considering replacement windows and doors, our friendly Big L Windows & Doors staff members will be happy to help you through the entire process. With Big L, you’ll get:

  • A no-obligation consultation where we’ll listen to your needs, budget and timeline
  • Friendly, straightforward, educated advice on window replacement
  • A full proposal that details the products we discuss and costs
  • Meticulous, efficient, professional installation from our in-house team

We’ve been doing business in western New York for more than 40 years, so we know Buffalo’s local building codes and which products perform best in our climate. As a local, family-owned enterprise, we consider our customers to be our neighbors. We look forward to connecting with you!

The installation process will go like this:

  • A Big L representative will provide your free in-home (or virtual) consultation.
  • We’ll provide a comprehensive quote detailing your project, and place your order upon your approval.
  • Big L will call to schedule a convenient installation date.
  • Trained installers will remove your old windows and install your new windows, making sure they are properly leveled, sealed and insulated.
  • Installers will clean up the job site and show you how your new windows function.
REQUEST A CONSULTATION

*REQUIRED FIELD

BENEFITS OF BIG L

From quality products to easy financing, expert installation and a worry-free guarantee, Big L Windows and Doors offers everything you need to see your replacement window or door project through to completion.

  • Total Trust Guarantee Big L Windows & Doors

    TOTAL TRUST GUARANTEE

    We promise you’ll be completely satisfied with the work Big L provides. Our guarantee covers labor and follow-up evaluations that manufacturer warranties don’t.

  • signing a contract

    HASSLE-FREE FINANCING

    Realize your dreams faster with easy financing through Big L. Choose from great financing options such as 1-year “same as cash” no interest payments.

  • black trim patio door exterior

    PATIO DOOR REPLACEMENT

    Looking to feel more connected to nature? Patio doors can open up a closed space and bring in beautiful views like little else. Today’s models offer better security and energy efficiency.

REVIEWS FROM BIG L CUSTOMERS

At Big L Windows & Doors, we’re grateful for the customers who have put their trust in us and let us transform their homes with new windows and doors. Here are just a few of the customers who have taken the time to let us know how happy they are with Big L’s work.

4 EASY STEPS TO NEW WINDOWS & DOORS

With Big L, we want you to feel comfortable and confident about the process of your window or door project.

  • consultation with Big L photo

    FREE CONSULTATION

  • installation photo

    PROJECT QUOTE

  • Marvin Ultimate Wood Double Hung Insert Install

    INSTALLATION

  • family playing in living room

    ENJOY THE RESULTS