Answering Your Frequently Asked Questions: Everything You Need to Know About Our Windows

At Infinity from Marvin Replacement Windows by Callen, putting our customers first is simply what we do. As a leading window company serving homeowners across Southeastern Wisconsin, we go above and beyond to ensure your complete satisfaction with our products and services. We strive to deliver clear communication every step of the way, even before you decide to partner with us for your window replacement needs. Take a look at some frequently asked questions below to prepare for your project and learn more about what we offer.

Do You Install All Window Brands?

At Infinity from Marvin Replacement Windows by Callen, we exclusively offer replacement windows and patio doors from Infinity from Marvin. This is because we believe in providing our customers with the best products the industry has to offer, and we truly believe in the superior quality of Infinity from Marvin’s fiberglass windows and patio doors.

What Are the Benefits of Fiberglass Windows?

Fiberglass windows are remarkably durable, energy efficient, and low maintenance. In particular, the Infinity from Marvin windows we install are crafted with Ultrex^® fiberglass, which is 8x stronger than vinyl for a long-lasting performance.

Do You Offer Warranties?

Yes, our products are all covered by the manufacturer’s exclusive Limited Lifetime Warranty. In addition, we also offer our own lifetime warranty on labor for your peace of mind.

How Long Does a Window Replacement Take?

In most cases, a window installation can be completed in one to two weeks (depending on the number of windows being replaced). However, it can take time to order and ship your custom windows, so it’s a good idea to start early by scheduling a consultation with Infinity from Marvin Replacement Windows by Callen today.

Why Choose This Window Company?

Infinity from Marvin Replacement Windows by Callen is far from your average window company—we’re your partner for best-in-class products and unbeatable service. We provide flexible financing options to keep your project affordable, and we’ll be there to guide you from start to finish for a customer experience that’s second to none.

See for yourself why we’re the window company of choice for homeowners across Southeastern Wisconsin when you reach out to our team and schedule your initial consultation. We’d be happy to answer any questions you may have and to show you what makes us the local leader in window and patio door replacement services.