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Window replacement installation experts in Janesville.

For quality and lasting value in replacement windows, a homeowner’s best choice is Renewal by Andersen of Janesville. From the country’s most recognized and respected manufacturer, we deliver innovation and technological advancement in windows and doors. We do it with the personal attention and “hometown” touch you’d expect from a window company that has been serving the area for close to 50 years. 

We are fully certified and factory trained by the Renewal by Andersen company.  You can rest assured that your new quality replacement windows and patio doors will be matched with the best installation offered in the area. 

Where tradition meets excellence.

Explore Window Styles

Our Acclaim™ replacement windows are durable, custom crafted, made to order, and professionally installed. Available exclusively from Renewal by Andersen, our windows are unique both in outstanding quality and visual appeal. 

Double Hung Windows

Acclaim™ double-hung window is the most popular choice as this window style offers a classic look with excellent functionality and access.  This window style offers many colors and design options and can be used both in traditional and contemporary designs.

Double-hung windows are the top option for historic restoration and renovation projects where the wood interior finish plays a crucial role. From traditional porches to a kitchen staple, a double-hung window will enhance any interior.

CASEMENT WINDOWS

Acclaim™ casement windows are considered a “crank out” option that allows you to maximize space and minimize any visual obstructions.  Classic energy-efficient option for superior ventilation year-round.  Renewal by Andersen’s casement windows are a great option in tight spaces where access to open a window might be restricted by a cabinet or a door. 

Bow & Bay

Expand the possibilities of elegance with Acclaim™ Bay and Bow windows (projection windows). Make any room a masterpiece while maximizing the space. Bow windows are available in three-sided and four projection angles up to 90° angles. Bow windows form a gentle arc that weeps away from the wall with three, four, five, or six windows. Bay and Bow windows can be used as a replacement in most large window openings, making them an excellent choice for increasing the light.

Picture

Frame Mother Nature and make the natural light with the exclusive Acclaim™ picture window by Andersen. Combine picture windows with other windows to increase ventilation, functionality, and beauty. Our picture windows are great for large windows, like high walls that are too hard to reach. 

Sliding

Use less frame and more glass with Acclaim™ siding (gliding) widows, great for more natural light and ventilation from top to bottom. Fibrex® material allows for easier cleaning and prevents rust and corrosion. Sliding allows versatility with both sashes sliding either left, right, or potion of both.

Specialty

Not all homes are the same; likewise, rectangular windows don’t always make sense. Choose from compelling curves, elegant arches, or sharp angles; specialty windows are made to complement your home. Like picture windows, specialty windows can stand alone but don’t open. Specialty windows are a clear choice for the uniqueness of your home.

Awning

Similar to casement windows awnings open from the top and tilt outward, perfect to catch a breeze of fresh air. Design with ventilation in mind does not interfere with curtains or blinds and doesn’t allow water to penetrate inside.

Patio Doors

Transform your space and bring the outdoors in with Andersen® patio doors from Renewal by Andersen.

These beautiful exterior doors come in contemporary and traditional profiles, and are available in several styles, including traditional French doors and sliding patio doors. They also offer a wide range of customizations using a variety of hardware styles and finishes, grille patterns, and interior stains.

Our Signature Service

It’s our promise to you to deliver professional installation, superior performance, energy-efficient products, hassle-free process, and long-term value. 

From the best team of people who will consult you on the selection and affordable options for window replacement that match your needs to a superior installation process. We specialize in windows and doors, which means that our team is exclusively dedicated to top-quality installation. 

When it comes to energy-efficiency, installation is the key.

Hassle-Free Process

Consultation on new windows

1

In-Home Consultation

Your window replacement experience begins with an at-home consultation. We believe in a simple educational approach.  We will measure your windows, answer your questions, and advise on the best solution for your home.

We will discuss the budget options and what may fit the needs best at this time. We also offer affordable window replacement financing options if that’s the route you choose.  

2

MEASURE & BUILD

Project Technicians will schedule a final measurement to ensure accuracy and answer any additional questions before sending in the order for your fully customized windows.

This step is crucial in the window replacement process and it makes the final installation go as smoothly as possible. 

3

CERTIFIED INSTALLATION

Renewal by Andersen’s installers are craftspeople who have been trained by factory manufacturing experts to ensure the highest energy efficiency and beauty of your newly installed windows. 

They will perform a final inspection, clean up, and leave your home looking like new!

4

WARRANTy

A robust limited warranty is backed by a commitment to making sure your windows function as expected.

Our warranty is our promise to you and it is backed by extensive testing.

20 Year Warranty on Glass and Fibrex Material
2 Year on Professional Installation
10 Years on Locks, Hinges and other Components

Fibrex Material

A Low Maintenance Replacement Window

Andersen Corporation created Renewal by Andersen to change the window replacement industry – not only with a different and better process – but also with an innovative new material to make the frames. In 1992, Andersen perfected and patented Fibrex® composite material technology.

Consider everything you expect from a window. Fibrex material makes a difference in every instance. Measured across a range of conditions that affect efficiency, maintenance and beauty, Fibrex material performs well compared to wood, aluminum and fiberglass, and especially well against vinyl.

LEARN MORE ABOUT FIBREX