QSI Windows and Doors has been a trusted provider of high-quality windows and doors in the Golden Horseshoe area since 1976. Our commitment to quality, service, and installations has been the key to our success for over 40 years. We take great pride in our people and our relationships with all our customers, friends, and suppliers. Our experienced and knowledgeable team is dedicated to providing you with the best window and door installation experience possible.
Windows
At QSI, we offer a wide selection of energy-efficient windows to upgrade your home. Our windows are designed to meet the highest standards for energy efficiency and are certified by Energy Star Most Efficient 2023. We offer a variety of window styles to suit your needs, including casement, awning, bay & bow, sliding, hung, and shaped windows. Our windows are made with the latest advancements in technology and are built to last.
Doors
We offer a wide range of replacement doors to increase your home's curb appeal. Our individual, aesthetically stunning doors are designed to complement any home. We also offer patio doors to let the light shine in. Our doors are made with the highest quality materials and are designed to last.
Service & Installations
At QSI, we pride ourselves on our quality service and installations. We serve the Golden Horseshoe, including Hamilton, Oakville, Burlington, Niagara, Grimsby, Halton & all surrounding municipalities. We have a new showroom in Stoney Creek where you can see our quality products on display. Our experienced team will provide you with a free in-home consultation to help you choose the right windows and doors for your home. We also offer reliable and efficient installation services to ensure your new windows and doors are properly installed and functioning perfectly.
Testimonials
Don't just take our word for it, here's what our valued clients have to say about their experience with QSI:
"Just had two new windows installed. Competitive price but best part was attention to detail and cleanliness during installation. These guys are efficient and competent and the new windows look great! Well done. You've earned a repeat and loyal customer!" - Glenn, Burlington
"We are completely satisfied with the installation, quality of the product (front door) and follow up service. We had a minor flaw in the glass and the service department promptly addressed the issue and replaced the glass insert. QSI gets top marks for standing by their products." - Tom, Hamilton
"We are very impressed with QSI. The installers' are very professional, and they got the job done quickly, but were very efficient. In every way we would rate QSI excellent!" - Gramigna, Smithville
Trust the Experts
At QSI, we are the local experts for high-end windows and doors in Hamilton and the surrounding area. Trust us to make your vision a reality. Let us do what we do best, which is to provide you with the best performing windows and doors for your home. Contact us today to schedule your free in-home consultation.
Issues with Service and Installation
The majority of reviewers expressed frustration with the service and installation process provided by QSI Windows and Doors. Many reviewers reported long delays in receiving their products, with some waits stretching from September 2020 to May 2021. Others experienced issues with the installation process itself, including missed appointments, sloppy work, and lack of communication.
Problems with Products
Some reviewers reported issues with the quality of the products themselves, including defects in the glass, sloppy caulking, and sharp metal pieces left on their property.
Poor Communication and Responsiveness
Many reviewers criticized QSI's communication and responsiveness, citing long holds, unanswered calls, and unfulfilled promises. Some reported being passed around to different departments or told to wait for extended periods of time for issues to be resolved.
Negative Experiences with Warranty and Customer Service
Several reviewers reported negative experiences with the warranty and customer service departments, including being blamed for delays, having to chase down refunds, and being left to resolve issues on their own.
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