About Us

For over 25 years, DeYonker Window & Door (formerly Quality Window Sales) of Rochester Hills, Michigan has installed the finest names in window and door products in southeast Michigan.

Our customers are the reason we have remained in business all these years. That is why we value each and every one of our clients, offering them exceptional work and outstanding customer service.

Our job isn’t finished until you are 100% satisfied.

DeYonker is unlike any other window and door installation service. We provide a consultative approach to window and door installations. We focus on providing customers with what they need, so you can trust that we will help you make the best decisions.

DeYonker is family-owned and operated, and we do not subcontract installers. Because of this personalized approach, you can take comfort in knowing who is installing the windows and doors in your home.

Window and Door Brands We Carry

DeYonker stands by its reputation and customer service. We take pride in the longevity of our products and service and back it up with 20-year warranties for products and 10-year warranties for installations. The reputable, high-quality brands we use ensure the best results for your window and door installations.

  • Pella
  • Andersen
  • Therma-Tru Doors

DeYonker’s team is trained to provide quality installations, and we have been recognized by each of these manufacturers.

  • Trained and certified installers with Pella
  • Circle of Excellence with Andersen
  • Preferred Dealer with Therma-Tru

Continuing our Reputation for Excellence in Quality and Service

As a part of the Oakland County community, DeYonker Window & Door takes pride in servicing households and businesses throughout Rochester, Auburn Hills, Birmingham, and Bloomfield, as well as the entire southeast Michigan region. As we aim to maintain our stellar reputation, our history and current standing in the community will continue to represent our high standards.

  • Licensed by the State of Michigan
  • Member of the Home Builders Association of Southeastern Michigan
  • Member of the Rochester Regional Chamber of Commerce