From First Call to Final Walkthrough: The Renewal by Andersen Process

Replacing windows is one of those home improvement projects that can feel overwhelming before it even starts. How long does it take? Will your house be torn apart? Is it going to be one of those drawn-out contractor experiences that drags on for weeks?

We hear these concerns from Wisconsin homeowners all the time, and they’re completely understandable. That’s why the Renewal by Andersen window replacement process is built around transparency, communication, and respect for your home. Here’s what the experience actually looks like, from your very first call to the moment we walk out the door.

It Starts With a Conversation, Not a Sales Pitch

The window replacement process begins when you call or fill out a form online. A member of our team will take the time to understand what’s prompting your project—maybe it’s foggy glass you can’t see through, drafts that make your living room uncomfortable in January, or windows that simply won’t open anymore after years of Wisconsin humidity and temperature swings.

From there, we’ll schedule an in-home consultation at a time that works for your schedule. No pressure, no gimmicks—just a straightforward starting point.

Your Window Replacement Consultation: The Most Important Step

This is where the window replacement process really takes shape. A design consultant comes to your home to evaluate your current windows, take precise measurements, and talk through what you’re looking for in terms of style, function, and energy efficiency.

You’ll get to see and touch product samples, explore different frame styles, hardware finishes, and grid patterns, and learn about Renewal by Andersen’s Fibrex® material—an engineered composite that’s stronger than vinyl and more durable than wood. Your consultant will also walk you through energy performance ratings so you understand exactly how your new windows will impact comfort and utility costs.

By the end of the consultation, you’ll have a detailed, transparent proposal—no hidden fees, no surprise add-ons. Just a clear picture of your custom window replacement project and what it will cost.

Built for Your Home, Not Pulled Off a Shelf

Once you move forward, every window in your order is custom-manufactured to the exact dimensions of your home’s openings. This isn’t the same as picking a close-enough size from a warehouse. Custom manufacturing means tighter fits, better insulation, and a finished look that suits your home’s architecture.

While your windows are being built, a project coordinator keeps you in the loop with timeline updates. You’ll know when your windows are expected to arrive and when installation is scheduled—no guessing, no chasing anyone down for answers.

Installation Day: Efficient, Clean, and Professional

The replacement window installation process is where everything comes together. Our Certified Master Installers arrive on the scheduled day, introduce themselves, and walk you through the plan before any work begins.

The crew protects your floors, furniture, and landscaping, then gets to work removing your old windows and installing your custom replacements. Each window is carefully shimmed, insulated, and sealed to ensure peak performance. Despite the precision involved, most whole-home installations are completed in a single day.

Wisconsin weather doesn’t always cooperate, but our installers are experienced with the unique demands of window installation in our climate—from ensuring proper expansion clearances to sealing against wind-driven rain and snow.

The Final Walkthrough: Your Chance to Inspect Every Detail

After the last window is in place and the cleanup is done, your lead installer walks you through every single window. You’ll test the operation, check the locks, look at the interior and exterior finish, and ask any questions you have about care and maintenance.

This final walkthrough isn’t a formality. It’s your opportunity to make sure the work meets your standards before the crew leaves. We don’t consider the job complete until you’re satisfied.

After Installation: A Warranty That Actually Means Something

The window replacement process extends well beyond installation day. Renewal by Andersen provides a comprehensive warranty covering glass, materials, installation, and labor. And because we’re a local Wisconsin team—not a franchise that disappears after the sale—you always have someone to call if a question comes up.

A Window Replacement Process Designed Around You

The reason homeowners consistently rate Renewal by Andersen so highly isn’t just the windows themselves—it’s the experience. When the process is clear, the communication is proactive, and every person who touches your project is a trained professional, replacing your windows stops feeling like a hassle and starts feeling like an upgrade in every sense.

Wisconsin homeowners have enough to deal with when it comes to maintaining a home in this climate. Your window replacement process shouldn’t add to the stress—it should take it away.

See the Difference for Yourself

Ready to experience a better approach to window replacement? Contact Renewal by Andersen today to schedule your free in-home consultation. We’ll walk you through every step so you know exactly what to expect—before, during, and after your project.

Hear From Our Customers

This was a great crew to work with. Both the original install manager we worked with (Jay) and the install team (Daniel, Mason, Tony, Ethan, and Jose). Everyone was very professional and knowledgeable. They answered all my questions and the end result on the house is great. In 3 days they replaced an old bay window with a new bay window, a set of french doors on the patio with a sliding patio door, and our old front door with a new front door and storm door.

I cant express how happy we are with choosing Andersen for our window installation. Our sales representative was knowledgeable with product and answered any questions we had without hesitation. I did also fill out a survey that was sent in an email, but sadly I failed to personally name the two gentlemen that performed the actual installation. Barrett and Francisco were our guys, and let me tell you, they were outstanding!!! They did Excellent work and were professional as well as efficient and made this a smooth, none evasive process for us. I strongly recommend this company and these installers to anyone in need of windows!!! My husband and I could not be more pleased we chose Andersen for replacing our windows!!!

Jason and Brett did an awesome job installing our doors. We had separate installers a month earlier for our windows who also did a fantastic job. They were all very professional and cleaned up almost better than the area looked before the installation! Since these were both jobs that took more than one day the installers were great at keeping us informed on the status of where the project was at along the way.

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Since its founding in 1977, the Alliance to Save Energy has been a leader in energy efficiency policy and advocacy. Over the years, the Alliance’s programs and priorities have evolved as U.S. energy efficiency policy has grown.