About Us



Who We Are

QLine Windows & Doors Inc. has been at the forefront of the window and door design and manufacturing excellence. Guided by a tradition and a devotion to continuous product improvement QLine windows and doors are the hallmark of performance in the industry.

Our desire to build the best window and door systems compels us to continuously invest in product development, surround ourselves with forward-thinking people, and measure ourselves against the highest quality and safety standards in the industry. QLine management has over 60 years of management experience in the window and door industry. We are proud of the accomplishments we’ve made to date and are looking forward to continued growth and success over the coming years. QLine has a strong commitment to product quality and superior customer service.

Made Locally in Stony Creek

We pride ourselves on our workmanship. Our windows are built under stringent manufacturing standards and have the top energy efficiency standard of the Department of Natural Resources Energy Star Program. Our window products are certified by QAI.

Our new products and technologies push the boundaries of design and performance to provide our customers with complete satisfaction. Our engineers use Computer-Aided Design (CAD) software to analyze every feature of the design, from structural components and aesthetic appeal to production methodologies. Every window model undergoes the most stringent testing to ensure that our customers will always receive a well crafted, soundly fabricated window and door.

Get In Touch

Please don’t hesitate to reach us!