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!
We offer more options and choices than any other sunroom company in Southeastern Wisconsin.
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.
Replacement Windows & Doors
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?



Expert Outdoor Living Solutions
Check out the rest of our website for a detailed description of our services!
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
"After having four windows and three doors replaced by Millennium, we want to let people know what a wonderful job this company did, and how pleased we are with the work. Not only are the windows beautiful, but they are very ergonomic (designed for maximum comfort, efficiency, safety, and ease of use). They also seem to be energy efficient, reflecting the wind, cold and sun.The best part was the gentlemen that installed them. Mark and Kyle were so friendly, and they did excellent work. We really appreciated how polite and helpful they were – and hard working. Thanks again for doing a great job. We are absolutely thrilled with our new windows and doors."
Dick and Mary K
Testimonials
"You were willing to explain at all time what was going on and why. Conscientious, diligent work on an old house insuring the best possible results with the materials requested. It was reassuring to note that the siders were concerned as we were about the final work and appearance of the house"
Mike and Kitty H.
Testimonials
"Thank you for the great job you and your crew did on my sunroom. They worked through all the snow and cold. I never thought they could do it but it was all done by Christmas and they left the site all clean and tidy. I would recommend you company to anyone. The crew were polite and smiling even in the worst weather. Great job!"
Shardell S.
Testimonials
"We wanted to let you know how much we have enjoyed the sunroom over the past year and a half. From suppers in the summer, reading with a magnificent view in the fall to a game room in the winter, we enjoy our room all year round. It provides extra space when we entertain large groups and quiet space for listening to music or reading a good book. The heat pump system allows us to quickly cool or heat the room to a comfortable temperature. The decking on either side of the sunroom as well as in the front of the house is both attractive and easy to maintain. It cleans easily with a power washer. We use our hot tub all year round as well, so the landing next to the tub provides easy access. Replacing the front entry with the new porch has added personality as well as safety to our home. With the addition of the beautiful new door and sidelight this year, our home has much better curb appeal and is much more inviting. Thanks again. We thoroughly enjoy and use the upgrades to our home."
Dave Weske & Joni Whitehouse
Testimonials
"Nancy & I wanted to write and tell you how much we have enjoyed our new three-season sunroom this Fall. With the warm weather this November, we have been able to keep the room open to the house with a little help from a small electric heater. The sunroom was a big hit with our relatives on Thanksgiving Day and we have received many compliments from our friends and neighbors. I've attached a few pictures of this project which I hope you will be able to download. As you can see, we installed a brick patio around the sunroom which really turned out very nice. Thank you for all your help with this project. Nancy and I had to "educate" ourselves in the beginning and sort out what design features we needed. Your assistance was very valuable with that. John and your construction crew did a great job too. Come by if you're in the area to see the finished project."
Jeff & Nancy Grussing
Testimonials
"I just wanted to drop you a note to tell you how pleased we are with the work you did on our house recently. The door and window work turned out beautifully and was done on time, as promised. The new windows are much warmer than those old single-pane windows ... the recent cold weather is much less noticeable. It is amazing how closely the new aluminum trim matches the existing painted woodwork. Also, please pass on our thanks to Troy, who spent many hours refinishing the doors. It is always hard to do that sort of work without creating a lot of dust, but he managed to keep it to a minimum!"
Tim, Barb and Chris
Testimonials
"Willing to explain what was going on at all times and why. Conscientious, diligent work on an old house ensuring the best possible results with the materials requested. I was reassuring to note that “the Sixers: were as concerned as we were about the final work and appearance of the house."
Mike & Kitty Hoffmann
Testimonials
"Work done very well and fast. Thank you again for your great service and pricing."
Henry R. Lipski
Testimonials
"We just wanted to thank you for the painless transition to our beautiful new windows. The installation went beautifully, start to finish in one day with absolutely no disruption at all. Your installation team was more than diligent. They were very friendly and helpful. The little blue bootie shoe covers were a big hit along with vacuuming any small particles that may have escaped during installation, made quite an impression. You would not have known any work was done here, inside or outside, aside from the fact that the new windows really change the appearance of our home. I'm looking forward to a much warmer winter inside the house and much smaller utility bills in the coming months. We would be proud to let your future customers have a look at the dramatic change your new windows made on our home."
Jon and Sue Merkel
Testimonials
"It was a great experience working with you – a few glitches, but the end result was better than expected. Thank you for seeing my vision and being able to make changes as we went along. It’s still hard to believe that such a beautiful room is attached to my home – a dream come true! Bringing the laundry up will be a great asset as I age…As for the outside – the siding, pergolas, porches – I’m still in awe every time I drive up to the house. Is it really my house!? Thanks again for all the hard work, and I look forward to working with you again (fence). Blanca and I have enjoyed the process and most of all the friendship and professionalism of everyone who worked on this project."
Cathy Humcke Peterson
Testimonials
"Thank you for the great job you and your crew did on my sunroom. They worked through all the snow and cold. I never thought they could do it, but it was all done by Christmas and they left the site all clean and tidy. I would recommend your company to anyone. The crew were polite and smiling even in the worst weather. Great job!"
Shardell Sorensen

