Windows and doors built for life.
And a shopping experience built for you.

From quote to installation, we make every step seamless.
Man walking in room with Infinity from Marvin replacement door and window.

In as Little as 45 Days

You get custom-built windows and doors that are designed to match your home perfectly. We have more than 100 years of experience in helping people see their homes in a new light.

Design Your Windows

Plan your project any way that works for you: online, in a showroom or with an in-home consultation. You’ll have expert guidance as you choose the details and features that transform your home. Best of all, there’s no pressure to buy.

Father and son sitting next to custom replacement windows

Measurement Appointment

Once you’ve built a quote online or during an in-home consultation, our experts will take measurements of your windows in about 30 minutes to ensure a perfect fit.

Infinity expert measuring for custom replacement window installation

Windows Are Custom-Built

No two homes are the same, so why would our windows be? We'll custom-build your windows exactly as you designed them and coordinate an installation date that works for you.

Employee at Infinity's custom replacement window and door manufacturing facility


We'll arrive with your new custom-built windows and install them with the utmost care. And we'll haul away your old windows at no extra cost, leaving your home better than we found it. Most projects are installed in just one day.

Homeowner cleaning a custom Infinity replacement window

Lifetime Warranty

Infinity windows are built to last, but we know life happens. That’s why they're covered by a Lifetime Warranty.
  • Ultrex Fiberglass Frame and Sash
  • Hardware
  • Glass breakage
  • Glass seal failure
  • Screens
  • No Service Fees
Product Warranty
Kids in a living room with Infinity replacement windows

Your project, your way.

Start Your
Quote Online

Use our online tool to explore our products and customize your new windows.

Visit Our

Try out the latest Infinity from Marvin windows and doors in our showroom locations.

Schedule a Free
In-Home Consultation

Our Project Consultants will assess your project for free, and we can help you answer any questions.

We're here to help.