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Our Services

  • Residential Windows

  • Commercial Windows

  • Doors 

  • Siding

  • Historic Window Fabrication

  • Glass Replacement  

  •  Licensed & Insured

  • Free Estimates

window experts lifetime of experience dotz bros

Dotzauer Brothers Windows LLC

The Dotzauer Brothers are owned and operated by Jesse and Dustin Dotzauer, twin brothers. They are highly experienced experts in their field. They have an impeccable reputation due to their commitment to excellence, skilled craftsmanship, and assured quality on every job. They are Licensed and Fully Insured. Customers can trust that the Dotzauer Brothers are the best choice for residential and commercial windows, doors , and siding. Learn more about the History of their business by clicking the history button below, and be sure to reach out if you have any questions.

Recent Projects

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Testimonials

"I'm so happy with my new windows! My home looks so much better. Plus my energy bills are lower, and my home value has increased. I love the Dotzauer Brothers."

Fort Atkinson, WISCONSIN

"We own a commercial building. These guys are fast, efficient, and an assist to any job site"

THIRDWARD

Milwaukee, WI

“The Dotzauer Brothers did my windows of my lake house. I'm very happy. It was truly a lovely experience. Fair price, too"

Eagle, WISCONSIN