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Serving Greater Milwaukee, WI

Stanek Windows in Milwaukee, WI

W141N9296 Fountain Blvd.
Menomonee Falls, WI 53051
Milwaukee Manager

Managed By Ron DeGraw

  • License Information
  • WI #DC012000102

Local Reviews

We take pride in each and every window and door we manufacture and install. We offer quality materials and craftsmanship, but you don't have to take our word for it. Our satisfied customers are more than happy to share the positive experience they've had while working with Stanek Windows through the years.

Check out some local reviews or leave one of your own on the following websites:

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"We were impressed with the communication we received from all parts of the company. The follow-up on keeping us posted from arrival of materials and the work schedule was thorough as was the work." – Margie N., Muskego, WI | February 14, 2020 * * * * *

"I like the sturdiness of the windows. Their terms of financing, discount and warranty helped me make the decision on going with a better quality window. Installers were very well-mannered, conscientious, and respectful of me and my home." – Kathleen B., Milwaukee, WI | February 3, 2020 * * * * *

"The rep who came out for the initial consultation was great, described the product and cost in detail. Installers were top notch." – Jim K., Hartland, WI | January 13, 2020 * * * * *

"Everyone at Stanek was great to work with." – Mike H., Greenfield, WI | January 10, 2020 * * * * *

"Sales person was very helpful. Installers were top notch and office communication was excellent." – Ken K., Brookfield, WI | January 3, 2020 * * * * *

"This was an outstanding experience from sales to completion. Everyone involved was very professional and excellent at their jobs." – Wende M., Waukesha, WI | November 21, 2019 * * * * *

"Look lovely, well installed, great sales experience as well as with installers, significant noise reduction. We love them!" – Holly H., Windsor, WI | November 15, 2019 * * * * *

"Great service and quality of the windows." – Tad K., Milwaukee, WI | October 15, 2019 * * * * *

"Very satisfied with product quality, installation and customer service during the process! Thank you!" – David M., Oconomowoc, WI | September 5, 2019 * * * * *

"The installed windows look wonderful. The entire process from sales, business office, and install team was a positive experience." – Cindy D., Jackson, WI | August 29, 2019 * * * * *

"Good product. Good installation. Good communication." – Nicole L., Menomonee Falls, WI | August 15, 2019 * * * * *

"The installers did excellent work. All of the windows and doors and the installation were perfect." – Dean J., Milwaukee, WI | August 8, 2019 * * * * *

"I love my windows. The guys who installed them were efficient, polite, did a beautiful job and cleaned up after themselves well." – Judith B., Glendale, WI | July 7, 2019 * * * * *

"From the sales person to the installers, and the quality of our windows, we were completely satisfied." – Marla H., Hartland, WI | May 18, 2019 * * * * *

"From start to finish the process was very professional. The installation crew was awesome and my salesman was informative and real nice to deal with." – Steven P., Milwaukee, WI | March 14, 2019 * * * * *

"Very please with the work that was done." – Jeffery S., Milwaukee, WI | November 8, 2018 * * * * *

"The entire process was excellent. No high pressure sales tactics like some of the other quotes I received. Dwight was very pleasant to work with a he knows his stuff. Brad the installer was diligent and looks like he did a fantastic job. Fully recommended after the installation." – Tom H., Grafton, WI | November 2, 2018 * * * * *

"Very professional high quality work. Worked with me in making decisions. I love my windows!!!" – Rose C., Milwaukee, WI | September 16, 2018 * * * * *

"Love, love, love my new front interior and storm door. Very professional installation by Brad and his crew. Will definitely use you all again in the future." – Dan H., Burlington, WI | September 6, 2018 * * * * *

"The sales person was great, the guy who came to measure was great, the installers were great." – Robert B., Menomonee Falls, WI | June 28, 2018 * * * * *

"We had no problems!" – Carolyn B., Greenfield, WI | May 25, 2018 * * * * *

"Very professional and installers were very informative." – Barry S., Waukesha, WI | May 24, 2018 * * * * *

"All steps went very smoothly. Everyone was efficient and friendly. We are very happy with the quality." – Robert S., Muskego, WI | March 8, 2018 * * * * *

"Installers did a great job." – David H., Greendale, WI | January 30, 2018 * * * * *

"We especially like our patio door and front door. The windows also great." – Kay S., Kenosha, WI | December 28, 2017 * * * * *

"Our design consultant was very easy to work with, explained the whole process. I have received compliments on how the windows and patio door looks and matches the interior trim. The installers were very careful with controlling dust, noise and cold air. Good job." – Kim K., Brookfield, WI | December 21, 2017 * * * * *

"Nice job and done in one day." – Michael I., West Allis, WI | December 14, 2017 * * * * *

"Your windows are great and really make a difference!" – Joann M., Big Bend, WI | December 8, 2017 * * * * *

“Very professional from sales to installation!” – Peter O., Greendale, WI | November 9, 2017 * * * * *

“I felt the sales process was very professional and helpful, felt honest. The showroom was very nice, with demonstrations of the options/sizes I was looking for. Windows appear to be very well made. Windows came in and were installed in timely manner professionally. Function and appearance are as expected. Took some time to confirm follow-up on items that still needed to be addressed, but all issues were resolved.” – Jaclyn E., Wauwatosa, WI | November 2, 2017 * * * * *

“I love the windows!” – Ann F., Whitefish Bay, WI | October 17, 2017 * * * * *

“Friendly, efficient, and professional!” – Lucille P., Grafton, WI | October 12, 2017 * * * * *

“Installation was done very professional. We like the look of the windows and hope we will notice a savings in our heating bill this winter.” – Fred M., Muskego, WI | September 28, 2017 * * * * *

“I like the fact they got it all done in one day and very clean cleaned up after themselves.” – Lori G., Sussex, WI |September 14, 2017 * * * * *

“The windows are great quality and the installation was done very professionally.” – Cliff R., Nashotah, WI | August 17, 2017 * * * * *

“Everyone who worked here was terrific, and the new sliding glass door is lovely!” – Patty R., Kenosha, WI | August 17, 2017 * * * * *

“Dwight, my consultant, is informative, professional, and friendly. Justin, the window installation tech, was amazing! He was efficient, friendly, and did a great job!” – Jill L., Milwaukee, WI | July 27, 2017 * * * * *

“Your installation crew did an excellent job! 2 of them, Carlos & Alex, came back to install the last window due to a measurement error. Both are hard and efficient workers. Kept their work areas clean, answered any questions we had and very thorough in completing the job. I am glad they are your employees!” – Al T., Milwaukee, WI | July 21, 2017 * * * * *

“All my upstairs windows were falling apart. The Stanek crew did an awesome install, and left no mess.” – Angela A., Kenosha, WI | July 21, 2017 * * * * *

“Very pleased with the work and product.” – Tony L., West Allis, WI | July 13, 2017 * * * * *

“I am very satisfied with how the windows look. They are easy to open and close.” – Charles L., Milwaukee, WI | July 6, 2017 * * * * *

“Very quick and tidy installation of entire house of windows.” – Anita C., Trevor, WI | July 5, 2017 * * * * *

“I really love my new doors. I have had so many compliments already. The person who installed the doors was extremely wonderful.” – Bill G., Milwaukee, WI | May 27, 2017 * * * * *

“The gentlemen were extremely friendly and knew their job extremely well. The windows and door were very professionally installed down to the last detail. We are extremely satisfied with the look of all windows and door.” – Jean J., Milwaukee, WI | May 9, 2017 * * * * *

“The French door looks great! The installation went smoothly and they cleaned up after they were done. We're pleased with the job.” – Mike L., Waterford, WI | May 4, 2017 * * * * *

“The installers were very neat and done in a timely manner.” – Donna S., East Troy, WI | May 4, 2017 * * * * *

“From the sales rep to the install team, everyone was fantastic with communication, respect of our home, and the quality of service provided. We couldn't be more pleased with having selected Stanek Windows for replacing our whole house of windows.” – Deeatra K., West Bend, WI | April 27, 2017 * * * * *

“On time and minimized the dirt and cold by putting up a plastic sheet.” – Cindy W., Wauwatosa, WI | February 9, 2017 * * * * *

“Having visited other patio door suppliers (and obtained estimates), the Stanek personnel and quoting process was the best. The installation crew was very efficient.” – Dale S., East Troy, WI | February 2, 2017 * * * * *

“Dwight, Rob, and Justin did a great job. The [Stanek] windows look great, no frost. I can't wait for the warm weather to open them. I will do the remaining windows with you guys in 2017. Justin especially did a great job under harsh weather conditions.” – Randy O., Waukesha, WI | December 22, 2016 * * * * *

“The [Stanek] windows are beautiful and air tight. I enjoy the convenient way that they are cleaned. The installers were amazing. They were efficient, polite, and professional and did excellent work.” – Sandra M., Milwaukee, WI | December 10, 2016 * * * * *

“Great sales folks and install technicians. I would highly recommend.” – Terry K., Union Grove, WI | December 8, 2016 * * * * *

“We had a wonderful experience with Stanek by Great Day Improvements! Justin did a wonderful job installing our two doors. There was something I was unhappy with so he came back another day and fixed it much to our satisfaction! He is a wonderful young man and very talented with the installation of our two doors!” – Betty B., Racine, WI | November 29, 2016 * * * * *

“The sales consultant and installation team were both outstanding. We purchased a new entry door, we shopped service and price.” – Mike S., Waukesha, WI | November 11, 2016 * * * * *

“The window looks great. Will and Willie did a very good job of installing. They cleaned up all of the old window and removed the scrap from the installation. Now time will tell if the window is energy efficient.” – Bruce R., New Berlin, WI | October 27, 2016 * * * * *

“The bay window appears to be of high quality. The vinyl window and accompanying wood trim interior matched very well, which was of great concern to us. The installation crew was efficient and very capable and left our property cleaned up upon completion.” – Paul S., Greenfield, WI | October 13, 2016 * * * * *

“We were very pleased with the overall process with Stanek. Our order came in earlier than they said and was installed right away. Everyone was very professional.” – Dorothy W., Wauwatosa, WI | September 23, 2016 * * * * *

“The quality of the [Stanek] windows is high. The installers were polite and helpful. They have been back, promptly, to fix a minor problem.” – Trini F., Milwaukee, WI | September 15, 2016 * * * * *

“Overall very happy with the product, service and installation team.” – Babir B., Mequon, WI | September 8, 2016 * * * * *

“The [Stanek] windows look far better than I expected and the installers were very efficient." – Jan R., Brookfield, WI | September 4, 2016 * * * * *

“Product, service and price were excellent.” – David S., Brookfield, WI | July 28, 2016 * * * * *

“Great hardworking crew that focused on getting the job done correctly and to the customer’s satisfaction.” – John L, Milwaukee, WI | July 23, 2016 * * * * *

“The installers were great and very efficient. The [Stanek] Windows look and feel great.” – Donald K., Milwaukee, WI | July 7, 2016 * * * * *

“Our salesperson, Tim, was very knowledgeable and helped us with our buying decision. Buying windows is not a common occurrence and having his expertise and patience in helping us review the data and features from Stanek and others was key. We made our decision because we believed we are getting a better window. The installation also went very well. Nick and Carlos were very professional, courteous and worked very hard to complete the project in two days. It's important that a quality window gets a quality installation and it was apparent that Nick and Carlos are very good craftsmen. We are very happy with how our windows look and are anxious to see how they perform in the heat of July and the cold in January.” – Greg M., Waukesha, WI | June 30, 2016 * * * * *

“The [Stanek] windows look beautiful and the installation was clean.” – Bill P., Waukesha, WI | June 27, 2016 * * * * *

“Very pleased with the excellent service and quality!” – Jan L., Kenosha, WI | June 23, 2016 * * * * *

“There was one window that was broken during installation. I am waiting for this problem to be corrected. The installers said that it would take a couple of weeks. On the work that was done, I thought they did an excellent job. When this problem is corrected, I will be very satisfied.” – Gordon B., Lake Mills, WI | May 26, 2016 * * * * *

“Everything went very smooth. The door looks great and we are very happy.” – Mary M., Waukesha, WI | May 12, 2016 * * * * *

“The crew was polite and cleaned up after themselves. The trim work on the outside far exceeded my expectations. Nice job, looks great!” – John B., Glendale, WI | April 28, 2016 * * * * *

“Process was smooth and timely from order through installation.” – Christine P., Whitefish Bay, WI | April 21, 2016 * * * * *

“Everyone was great to work with! From Dwight, the sales representative, all the way through to the installers, Rob and his group.” – Greg N., Fox Point, WI | March 27, 2016 * * * * *

“The installers were great. They completed the job and cleaned up the mess 100%. The Stanek Windows are great.” – Steve H., Pleasant Prairie, WI | March 6, 2016 * * * * *

“[Stanek] Windows look fantastic!! It's 3 degrees today and the furnace is not running continuously like it would have with the old windows. No ice on the inside of the new windows or patio doors like the old ones.” – Jim H., Germantown, WI | February 11, 2016 * * * * *

"The two gentlemen that worked on my patio were very friendly and answered any questions that I had. They did an awesome job.” – Kathleen T., Mt. Pleasant, WI | February 4, 2016 * * * * *

"We are happy with the new [Stanek] windows because they are quieter and easier to clean.” – Victoria L., Mukwonago, WI | January 5, 2016 * * * * *

“The installation crew did a very nice job, and got it all done in one day. This was the second half of a whole-house [Stanek] window and door replacement project, so we already knew the quality of the products.” – Pat S., Oconomowoc, WI | December 17, 2015 * * * * *

"The sales representative was very knowledgeable and helpful. The installation was flawless and crew was very nice." – Casey M., Eagle, WI | November 28, 2015 * * * * *

"Overall Stanek speaks for itself; best windows on market!" – Monica S., Jackson, WI | November 28, 2015 * * * * *

"[Stanek] Windows were delivered when promised. The installers did a very good job and everything looks great." – Joe G., Milwaukee, WI | November 20, 2015 * * * * *

"Makes my rooms look much bigger than the old windows. Like them very much." – Naomi H., Kenosha, WI | November 12, 2015 * * * * *

"From our sales representative to the installation, everything ran very smoothly." – Dennis S., Oconomowoc, WI | October 8, 2015 * * * * *

"The quality of installation was excellent. Nick and Carlos did a very good job. Everything was completed efficiently and with a very high level of quality." – Brian H., Menomonee Falls, WI | October 1, 2015 * * * * *

"Everything went perfect. I am very happy." – Larry A., Salem, WI | September 4, 2015 * * * * *

"There was a little confusion in regards to the order, but that was mainly because I kept on changing the order during the process (changed the number of new windows, then changed the number of original windows that were getting capped in aluminum.) Overall they did a good job with the installation." – Randy S., Waukesha, WI | August 27, 2015 * * * * *

"It was a wonderful surprise when Rob called and said the windows were done earlier for installation, both times we ordered windows! Tim Burns, is a wonderful and expert salesman with great new ideas that we had not thought of and called back immediately with answers to our questions. The father and son team Brian and Brian were great workers, very neat, courteous and nice guys. Also, the second team of Nick and Carlos were outstanding as well. Our new windows look fabulous. They are very sleek, modern and sound proof the outdoors and they open compared to our old ones. We should have had our whole entire house done years ago but I am so glad we did this now. Thanks for the great work!" – Eric P., Dousman, WI | July 9, 2015 * * * * *

"Everything from the initial quote by Mr. Burns to the purchase went well and great job of installation and quality product. We were very pleased with Stanek Windows and Great Day Improvements." – Curran B., Glendale, WI | June 26, 2015 * * * * *

Products & Services

Patio Enclosures

Patio EnclosuresPatio Enclosures custom manufactures every sunroom to meet your style and budget. Let our design consultants work with you to see what's best for your home and lifestyle.

Stanek Windows

Stanek Windows by Great Day ImprovementsIncrease the energy efficiency of your home and reduce energy bills with the highest quality replacement windows and doors.

Backyard Solutions

Backyard Solutions by Great Day ImprovementsImprove your outdoor space. Add shade, beauty and practical solutions that enhance your enjoyment of your backyard.

Specials & Financing

Stanek Windows is dedicated to making our products and services affordable for our customers. As a result, we try to present offers and specials throughout the year, so check back often or follow us on Facebook.

About Us

About Stanek Windows in Milwaukee

We proudly serve Greater Milwaukee and surrounding areas. Contact our Milwaukee showroom for your next Stanek Windows project or simply fill out our online form to schedule your free in-home estimate.

Hours of Operation

  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Saturday
  • Sunday
  • 9 a.m. - 5 p.m.
  • 9 a.m. - 5 p.m.
  • 9 a.m. - 5 p.m.
  • 9 a.m. - 5 p.m.
  • 9 a.m. - 5 p.m.
  • By Appointment
  • By Appointment

Certifications & Associations

  • Remodeling 550 (#17)
  • Qualified Remodeler's Top 500 of 2017 (#24)
  • HIP 200 of 2017 (#21)
  • Qualified Remodeler's Top 500 of 2016 (#21)
  • HIP 200 of 2016 (#18)
  • Qualified Remodeler's Top 500 of 2015 (#22)
  • HIP 200 of 2015 (#19)
  • EPA Lead-Safe Certified Firm
  • Licensed, Bonded, Insured

Payment Options

Greater Milwaukee Location

Best known for their Patio Enclosures® brand sunrooms, Great Day Improvements now manufacturers Stanek™ brand windows and patio doors. Because we are the manufacture, we do it all – we design, manufacture, install and guarantee your windows and doors.

Replacing your windows and doors in a big decision and the buying process can be overwhelming. At Stanek Windows by Great Day Improvements, we make your experience stress free. We offer a free, no-obligation in-home consultation so you can remain in the comfort of your own home.

Not all windows are created equally. Discover why Stanek™ brand windows have some of the highest ratings in the industry. But what you’ll really fall in love with is the way they look. Unlike many replacement window companies who use stock sizes and fillers, we make your windows specifically for your home with endless custom options so you can have a window that is not only energy efficient, but also reflects the unique character and charm of your home.

Our staff has over 100 years of combined experience designing, manufacturing and installing windows, doors and sunrooms. Trust us to manage every aspect of your project from beginning to end. Our local branch services all of Southeastern Wisconsin. Stop by our showroom in Waukesha or schedule your free in-home estimate today.

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