Great Lakes Windows Installation, Replacement and Repair Service

Milwaukee Great Lakes Window Installers Provide Energy Efficiency at it’s Best

Since 1981 Great Lakes has been crossing oceans and moving mountains to find the ultimate vinyl formulation to construct the ultimate windows. Now, using state-of-the-art technology, modern equipment, and cutting edge operational techniques, Great Lakes produces the best high-performing windows in the industry. Their custom made windows tailor specifically to your home to enhance interior beauty and create a better living environment, all while saving you more money on energy costs than competing window brands.


Pella Window Replacement Installation RepairThe lowest installation cost does not equal the best value.

Infinity Exteriors window installers do meticulous work to protect the structural integrity of your home. Windows installed by Infinity guard against weather, water damage, insects and future repair expenses. We make quality installations budget-friendly payment plans with window replacement financing & payment plan optionsSee hundreds of jobs we've previously done in the Milwaukee area on our interactive remodeling map or read previous customer testimonials

See Which Neighbors Infinity
Roofing Contractor Cost

Great Lakes is Milwaukee’s Premier Energy-Saving Window Line

Great Lakes constructs each window with high-performance qualities and an elegant style. They provide three luxurious window lines each with their own unique properties and charm. 

Great Lakes Harbor Light windows installation

Harbor Light

Classic Easy Living

Made for durability and easy maintenance, these windows are a great choice for any home. Within the Harbor Light line, there are a variety of options: 

  • The classic double-hung is a staple of the modern home and appropriate for all markets.
  • The single hung series is popular in Texas & Southern markets.
  • The Impact series is built with laminated glass and extra strength where windows need to stand up to hurricane wind conditions, optimal for coastal markets.
Visit our dynamic Before and After Gallery to see on-site photos and videos of our job completions. 

Infinity Exteriors installs Great Lakes replacement windows in Kenosha, Grafton, Greenfield, West Allis and all over Southeastern Wisconsin.
Contact Infinity Exteriors today for Great Lakes window replacement, installation and repair.
Great Lakes Comfort Smart window installation

Comfort Smart

For Your Viewing Pleasure

This line was built with great views in mind. Comfort Smart windows are renowned for their style: 

Sleek design

Traditional craftsmanship

And will make the perfect storybook framing for your outdoor scenery

You can choose from a variety of styling options and colors to craft the windows of your dreams. Whether you’re looking from the exterior or interior, Comfort Smart windows always compliment your home. 

Infinity Exteriors installs Great Lakes replacement windows in South Milwaukee, Racine, Pewaukee, Oconomowoc, and throughout Southeastern Wisconsin. 

Contact Infinity Exteriors today for replacement window installation today and receive a free quote on Comfort Smart window installation. 
Great Lakes vinyl window installation


The Industry's Elite

You just can't say enough about ecoSmart windows. With Great Lakes’ pioneered vinyl formulation, they’ve created this award-winning window that’s now recognized as the best in the business:


Low-energy costs 

Custom designs

And a window that will truly look great in any home

Need we say more?

Infinity Exteriors installs Great Lakes replacement windows in Milwaukee, Brookfield, New Berlin, Waukesha and all across Southeastern Wisconsin.

Contact a Great Lakes ecoSmart Window installation perfectionist today for more information.

Infinity Exteriors Installs Award-Winning ecoSmart Windows 

All Great Lakes windows are built for high-performance and low energy costs, but their ecoSmart line is cut above any window in the industry. Great Lakes created these cutting-edge windows by pioneering breakthroughs in vinyl, insulation, and reinforcement. Don’t believe us? We’ve got the accolades to back it up, being Awarded the ENERGY STAR Most Efficient Recognition in 2019. There’s no compromise with ecoSmart windows, they’re the perfect blend of performance and design.

Custom-Designed Window Styles, Colors, & More Options from Great Lakes 

Great Lakes windows have an infinite amount of options to customize from. Whether you want a unique diamond grille, colored window hardware finishes, or elaborately designed glass styles, you can make your dream home with ease with Infinity Exteriors Great Lakes window installation.

Great Lakes window types:

Colors that Enhance your Great Lakes Windows  

There’s no one color that fits all when it comes to homes. Great Lakes offers a variety of color options for your windows that will perfectly compliment your exterior siding or interior trim and cabinetry. Extruded colors are the same for both interior and exterior colors, or with co-extruded colors, you can have two different colors for the interior and exterior. Infinity experts can help you choose the perfect match for your home.

Exterior Colors Interior Colors
White White
Beige Beige
Dark Bronze Colonial Cherry
Earthtone Natural Oak
Sandstone Golden Oak
Royal Brown Warm Maple
Evergreen Rosewood
Shark Skin  

Great Lakes & Infinity Exterior Warranty

Having durable Great Lakes vinyl windows installed by the experts at Infinity Exteriors is enough to guarantee great, lasting windows. But just in case, all Great Lakes windows come with a Limited Lifetime Warranty. As long as you’re living in your home, every window is backed by warranty. If you ever move, your warranty is completely transferable to the next homeowner! Infinity Exteriors window installation service also comes with our workmanship guarantee warranty. No Infinity Exterior job is complete until the customer is satisfied.

Get a repair estimate here! Upload photos of your home's roof, siding, or windows to get a FREE repair estimate.

Get the Most from Your Great Lakes Windows with Expert Installation from Infinity Exteriors

Infinity Exteriors’ perfectionist installers ensure your energy-efficient windows live up to their design. Infinity is the best option for window replacement and installation throughout the Milwaukee area. Our reputation for excellence in roofing and exterior remodeling is backed by the best warranty you’ll find anywhere. Our flexible payment plans offer the best deal in the state. For the highest value and lasting satisfaction, choose Infinity Exteriors and get your Great Lakes windows installed right, guaranteed.

Your neighbors love our work. Click on any location to see a map of our window installation that proves it.

Contact Milwaukee’s largest window installation company today for more information on our services.

Get a Free Window Installation Quote

Check out other dependable services by Infinity Exteriors:

Common Window Types and Styles:

Bow window installation, replacement, & repair in Milwaukee, WI


Create more space and let more natural light in with bow windows. These windows are usually made up of multiple casement windows that stick out from the exterior of your home.

Brands: Great Lakes, Pella, Marvin, Richlin


Add more indoor space to a room and bring in more natural light with bay windows. These windows are often made with three panes to form an arc that extends your home's exterior.

Brands: Great Lakes, Pella, Marvin, Richlin

Double Hung Window Installation Milwaukee, WI

Double Hung

Most double hung windows provide multiple ventilation options - lower the window from the top or raise up from the bottom.

Brands: Great Lakes, Pella, Marvin, Richlin


Casement windows can be used alone or in a series to create a bow window. These windows usually feature a hinge on one side and can often be opened outward or inward.

Brands: Great Lakes, Pella, Marvin, Richlin

Sliding Window Installation & Replacement in Milwaukee, WI


Slider, or glider, windows are opened and closed simply as the glass seamlessly moves across a track.

Brands:  Great Lakes, Pella, Marvin, Richlin


Awning windows feature a hinge on the top and swing outward to allow for proper ventilation even if it's raining. These windows are commonly used in basements, bathrooms and kitchens.

Brands: Great Lakes, Pella, Marvin, Richlin

Skylight Replacement & Repair in Milwaukee, WI


Skylights are great for increasing the amount of natural light in your home, and, when placed correctly, can provide natural heat for your home.

Ask Infinity about available options.

Picture Window Installation in Milwaukee, WI


Picture, or fixed, windows are completely sealed shut, making them highly energy-efficient. These windows can come in many shapes for the perfect accent.

Brands: Great Lakes, Pella, Marvin, Richlin


Custom and specialty window shapes are available to suit the needs of your home's design.

Brands: Great Lakes, Pella, Marvin, Richlin


Egress windows are emergency exit windows commonly installed in bedrooms and basements. Instead of style, these windows are defined by dimensions that meet building code regulations.

Brands: Great Lakes, Pella, Marvin, Richlin


Composite windows are built to look like wood windows, but will never warp or absorb moisture. These windows are incredibly durable and feature fully welded construction, ensuring energy efficiency and durability for years.


Vinyl windows are made from incredibly durable PVC. These windows have high resistance to heat transfer, making them extremely energy efficient.

Brands: Great Lakes, Pella, Marvin, Richlin


Wood windows can be stained or painted to match your home's decor. Wood windows from Pella come with optional aluminum clad protective exteriors to keep your wood windows in excellent condition all year.

Brands: Great Lakes, Pella, Marvin, Richlin


Fiberglass windows are extremely durable and low-maintenance. These windows will withstand Wisconsin's extreme temperatures and weather conditions from Spring to Winter.

Brands: Great Lakes, Pella, Marvin, Richlin

Oriel bay windows in Milwaukee


Oriel windows brighten up spaces and make interiors look larger. Curb appeal skyrockets at the sight of an elegant oriel window.

Brands: Great Lakes, Pella, Marvin, Richlin


These three-part windows have a central arched window with square side sections. Palladian windows are a formal, Renaissance-era focal point for many historical homes and add tremendous curb appeal.

Window Installation FAQ

Getting started with the window replacement process can be challenging. We're here to make it easier.

We carry Pella, Richlin, Marvin, Sierra and more. We also carry FlexScreen flexible and invisible window screens to help you get the most out of your new windows. Infinity can accommodate any custom need.
Infinity’s windows come with a lifetime frame warranty, lifetime glass breakage warranty and a lifetime screen warranty. Most window installers are just passing off the manufacturer warranty as their own.
Infinity offers 3 easy payment options. Check out our financing page for more details.
Infinity has completed thousands of window remodeling jobs throughout Wisconsin.
Free Estimate

Need a roof REPAIR?

Estimates are free when you send us pictures

Need to REPLACE your roof siding or windows?

Estimates are always FREE

Get A Quote
Free Estimate Free Estimate


Brookfield Franklin Grafton Milwaukee Madison Muskego New Berlin Oconomowoc Pewaukee Racine Sheboygan Shorewood South Milwaukee Waukesha Wauwatosa West Allis
and throughout Southeast Wisconsin.


Appleton Brillion Chilton Fond Du Lac Grand Chute Greenville Hortonville Kaukauna Kimberly Larsen Little Chute Mackville Menasha Neenah Omro Oshkosh Ripon Sherwood Winnebago 
and throughout Northeast Wisconsin.


Madison Sun Prairie Waunakee Fitchburg DeForest Stoughton
and throughout Central Wisconsin.