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Denco Windows Inc has grown into one of the most respected Residential and Commercial Windows Installment companies providing honest and reliable services in Germantown and surrounding areas since 1999. Denco Windows Inc maintains a consistently higher level of responsiveness and customer service, providing customers with the best quality workmanship at competitive prices. With Denco Windows Inc one call does it all! Denco Windows Inc can and will help save you time from your first phone call through service completion.
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Denco Windows Inc was established in 1999. We are based in Germantown, and also provide services in Germantown and surrounding areas. We are committed to the highest standards of professionalism. This means that we maintain the accreditation, insurance, and licensing that provide you the protection and peace of mind that you deserve.
One call does it all. Denco Windows Inc can help save you time from the first phone call through service completion. Denco Windows Inc provides professional Residential and Commercial Windows Installment that are individually tailored to meet your requirements. You can place your trust in our reliable services.
Home Improvement Company has provided quality exterior home improvement products and services to homeowners throughout the southeast Wisconsin. During this time, the professionals of Denco Windows Inc. Home Improvement have helped hundreds of satisfied homeowners improve the value and comfort of their homes with quality siding, replacement windows, storm doors, and many other home improvement projects.
Reviews (10)
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Lucas Weesen
May 20, 2022
Fantastic service. Nick and co. replaced all of our windows about 7 years ago. We were surprised with the fair price and everything was done quicker than we were planning. The windows are still holding up strong and beautiful. Today we had an issue, a mistake on our part not knowing how the window tilt mechanism worked. I gave them a call and Nick remembered the job, and explained the solution.

Even sent me a video within a minute of me calling to make sure I knew how it operated. He was clearly out at a job there were drills running, yet had the same friendliness and professionalism as the day we were discussing buying new windows. That's a level of integrity you don't see often these days. Above and beyond. You're in good hands with Denco.
Jacob Kovacevich
Feb 04, 2022
After several weeks of battling no-show and delinquent contractors to quote me replacement windows, working with Nick was a breath of fresh air. He set up a visit to quote my windows within a couple days of calling, was prompt in meeting with me, and made the whole thing a hassle free experience. His pricing was very fair, and the work was done well. With out a doubt, he will be my first call next time I need windows.
Steve Morgan
Oct 19, 2021
Denco Windows was great from the start. They responded to my inquiry quickly and visit me for an estimate. I gave them a try because of their quick response and after that they worked very neatly on my new windows and I can say I made a good choice by hiring them. Easily Recommended! Thanks to Nicholas who managed the work very professionally.
Bruce W. Inskeep
Oct 18, 2021
It was extraordinary working with Denco Windows INC. Nicholas was extremely expert, amicable and well priced. His group eliminated the old door and installed another glass door. They left the work flawless. HIGHLY RECOMMEND
Umair Kashif
Sep 27, 2021
I was impressed with the work that his crew done in my home. The windows look incredible and I love the new fresh look of my house. I suggest Nicholas to everyone who is looking for quality work. Thanks DENCO WINDOWS. Service: Window installation
Jon Adams
Aug 19, 2021
What an amazing and high quality product! The Denco team makes the process of ordering products very simple. Shipping was fast and you were informed every step of the way. Communication is key and Denco delivers every time. I've had years of experience installing Egress window systems, the European tilt & turn window is the Cadillac of windows. The windows are well built, with quality materials. Order with confidence!
Julie Slightam
Dec 24, 2020
Great price point, friendly service, and locally owned! The cheapest you can get in the area for the quality of the windows. However, be prepared to fill in cracks in plaster, re-paint the existing wooden (or whatever it is!) trim around the newly-installed windows on your own. That is not their job, and if you have an older low-end condo like mine, you will need to do this, as it is your responsibility. The windows themselves are awesome!
The Haywards
Oct 25, 2020
Nick and his team were fantastic to work with. Responsive, clean and professional. The upgraded windows in our unit look fantastic and will be so much nicer and safer for tenants. Will definitely use them again! Service: Window installation
Robert Klus
Jun 13, 2019
Denco Windows was an amazing experience from start to finish! They came highly recommend from a friend who used them for a job and they met every expectation! From the moment they came out to estimate the project until after they completed the install they took care of every detail. Don't get ripped off by these window companies that advertise every where and then give you crazy price estimates and then harass you with phone calls while trying to lowering their prices to get your business. Just go with Denco Windows from the start and they will give you an honest quote for the job you are looking to complete and you won't be disappointed.
David Marquardt
Dec 08, 2018
If Denco is the New England Patriots of European Windows. Steve is the GOAT. I ordered 3 large tilt/turn windows from Denco. I was kept informed as they were manufactured and shipped. Steve worked with my installer to make sure everything fit perfectly. They are high quality windows. The screens aren't great but I took mine out, no bugs in Utah : - If you like winning, go with Steve. If you like whatever it is the Rams did yesterday, maybe look elsewhere.