Outdoor Living Designs in Milwaukee WI

Millennium Windows and Sunrooms LLC offers sunrooms, patio enclosures, screened rooms, replacement windows, decks, patio covers, pergolas and additions, in Southeastern Wisconsin. Call 262-364-7655 for more information!

National Association of the Remodelling Industry
Better Business Bureau
Millennium Windows and Sunrooms, LLC is a BBB accredited company that has been offering a variety of sunrooms, window, and home improvement services in the Southeastern Milwaukee area since the year 2000. Our personalized, custom plans for each project and the expert craftsmanship to get the job done is what keeps our customers coming back for all of their home improvement needs time after time. When you call us, we’ll set up a phone consultation to take the time to gather information about your vision for your home, your budget, any questions we may have and we’ll figure out a plan that works best for you. Our no-interest finance plan makes it easier for you to be able to complete your dream home without having to wait. Call us today at 262-364-7655 and find out how we can help you, or fill out the form online to request an appointment.
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We offer more options and choices than any other sunroom company in Southeastern Wisconsin.

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We build fully insulated, year-round 4-season sunrooms, 3-season sunrooms, extended summer and porch conversions, patio conversions, and screen room conversions. Choose from conventional (stick built) and modular (prefab) options to design the perfect room for your home.

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Replacement Windows & Doors

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Decks, Patio Covers & Pergolas

Check out our LifeRoom Product!

LifeRoom let’s you enjoy your backyard again for exercising, dining, entertaining and relaxing with family and friends… all at the touch of a button. LifeRoom’s unique Smooth Glide motorized screens can be raised or lowered for privacy or to keep those pesky mosquitoes away. It gives you the freedom to enjoy a romantic outdoor meal… rain or shine.

LifeRoom Screens can be added to some existing conventional structures, or can be constructed as a new structure on your property! Unique features of this product include Mood Lighting, Soft Breeze Technology, Pollen/Allergy Protection and more!

Why Choose Millennium
Windows and Sunrooms?

Millennium Windows and Sunrooms offers the largest selection of sunrooms and patio enclosures in Southwest WI. We offer a design consultation with the owner to survey your home, take measurements, interview the client, discuss budget and review samples to be most informed and able to make an educated decision. You will be provided with a quote and a 3D rendering of your project. Pictured to the left is a 4 track window, our most popular option for conventional and modular sunrooms. These windows can completely fold so all four panels are together (top or bottom) so you have a screened room feel.
Based in Milwaukee, we are proud to be a BBB accredited business that has been impressing customers with our expert craftsmanship since 2000. Since the beginning, our top priorities have been integrity, quality of materials, and workmanship. These qualities have helped to build the foundation of a trusting relationship with each of our customers. We fully stand behind our work, and we think you will too.

How does the process work?

When you choose Millennium Windows and Sunrooms, you’ll get a full personalized experience, without any pushy sales tactics.

Once you reach out to us, we’ll schedule a no-pressure phone consultation to discuss all details and any questions we may have. We have found this phone consultation speeds up the process. During the meeting, we’ll gather your information, your preferences and budget.

After the phone consultation we will create a 3D rendering (CAD) of what your finished project will look like, along with an estimate.

We offer more choices and variations in our project than any other company in Southeastern Wisconsin - so we’re sure we’ll be able to fulfill the vision you have!

Call 262-364-7655 today to get started on completing your dream home!

Testimonials

  • We originally hired them to replace our windows. We were so impressed with the quality of the product and especially Rich's professionalism/ customer service aspect that we had them... read more

    Cindy Grainger Avatar Cindy Grainger
    May 21, 2022

    Millennium did a great job with our deck project! It involved removing a glass porch and replacing it with a deck of similar size. Rich, Mark and their crew were... read more

    Daniel Christensen Avatar Daniel Christensen
    February 21, 2024

    Richard and Mark have been wonderful to work with from the start of our project for new windows and doors. We knew when we purchased our home 7... read more

    Sarah Garver Avatar Sarah Garver
    May 21, 2020
  • Added a 3 season room to our very small and old house. This comes with need to problem solve around the limitations of a small, old house. Our project... read more

    Erin Avatar Erin
    March 21, 2024

    Had all sumroom replaced since windows screens broke and company who installed them not in this business any more.Had to wait for more than year but considering Covid and all... read more

    Emilia Drak Avatar Emilia Drak
    May 21, 2023

    We have used Millennium on 3 different occasions. They have replaced windows, doors and built a small porch. Every time it was a positive experience. We were... read more

    Deb Burke Avatar Deb Burke
    May 21, 2022
  • I highly recommend this company, they did an excellent job installing a door for me that fits like a glove. Carpenter, John, was outstanding...very professional.

    Marilyn Grainger Avatar Marilyn Grainger
    November 21, 2023

    I am working with Millennium on a deck replacement and sun room project. We have completed the design and contract steps. The Millennium staff has been excellent to work with.... read more

    Ben Kordus Avatar Ben Kordus
    May 21, 2022

    Would like to thank Rich and Mark for making our 3 season room dream come true. Rich took many hours in person and via phone calls to make sure he... read more

    M M Avatar M M
    May 21, 2019
  • Wow! I can’t say enough about Millenium Windows and Sunrooms LLC. From the beginning, Rich made the entire process so easy. He walked us through the planning/design phase and... read more

    Ric Monteen Avatar Ric Monteen
    May 21, 2023

    yesterday the millennium crew came out early in the morning and tore out our old sunroom screen/window combination.They then installed the new one before dark. The crew was very... read more

    sandra albrecht Avatar sandra albrecht
    May 21, 2022

    Our four season room is now complete and I have spent time out there almost every day, even if I had to wear a jacket until the space heater warmed... read more

    valentine graczyk Avatar valentine graczyk
    March 21, 2024
  • We are very pleased with the final outcome of our project with Millennium Sunrooms. They offered a great solution and product to fit our needs to enclose our patio.... read more

    LM Grosser Avatar LM Grosser
    May 21, 2022

    We used Millennium to build a screened room on our home. As with everything during the pandemic, it took awhile for construction to start. Once Mark and his team were... read more

    Kate Alvarado Avatar Kate Alvarado
    May 21, 2023

    Everyone at Millennium is very nice and they did a great job making sure our sunroom was how we wanted it and offered some great suggestions.

    Elizabeth Goetz Avatar Elizabeth Goetz
    April 21, 2024
  • We hired Millennium to build us a 3 Season room and also replace an old wooden deck with a new composite one. Overall we're very pleased with how the project... read more

    connellydc Avatar connellydc
    May 21, 2022

    I used Millennium to install a screened-in porch this summer. I could not be happier with the end product and my experience with the Millennium team. I was constantly kept... read more

    Donna Ghorbanpoor Avatar Donna Ghorbanpoor
    May 21, 2023

    We contracted with Millennium Windows and Sunrooms to put a “3 and a half” season room addition on our house. We selected them because of their consultative approach and flexibility... read more

    David Waldoch Avatar David Waldoch
    August 21, 2023
  • Rich designed my screen room exactly the way I wanted it. It is beautiful! We get constant compliments on it from our neighbors and friends.

    Iris Ziolkowski Avatar Iris Ziolkowski
    May 21, 2020

    We hired Millennium Windows and Sunrooms to put in a new screenroom. They were very professional to work with. We did not have any major concerns; all minor issues were... read more

    Diane Christopherson Avatar Diane Christopherson
    May 21, 2022

    We highly recommend Millennium for projects such as the enclosure of our front porch. The work was completed professionally, the quality of materials and finished enclosure is excellent, and the... read more

    Irene Senn Avatar Irene Senn
    May 21, 2022
  • Millenium transformed our outdoor under deck patio into a wonderful three season room. We are extremely pleased with how the project turned out. When we have guests over their comments... read more

    Ken Czyzewski Avatar Ken Czyzewski
    May 21, 2022

    Working with Rich & Mark was such a pleasant experience! My project was delayed due to a series of incredibly unfortunate events. However, both Rich & Mark kept me updated... read more

    Charla J Owens Avatar Charla J
    March 21, 2024
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