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.