Sunrooms & Enclosures

⚠️ We no longer offer this product.

Please note we no longer offer this product. You can view the products we offer or contact us directly with any questions you may have.

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Bring the outdoors indoors! Everyone wants a sunroom so they can enjoy their back yard year round in all kinds of weather. After a good days work, relax and unwind in what becomes everyone’s favorite room in the house, your QSI sunroom.

Founded in 1976, QSI is one of the Golden Horseshoe’s most reputable Sunroom companies, with sales and installation teams working year round – remarkable given the harsh Southern Ontario winter weather.

QSI’s newly renovated 6,000 sq ft head office and showroom facility in Hamilton offers fully operational, full size Sunroom and Patio Awning displays. Customers are invited to experience the quality that is synonymous with our high performance product, installation and people.

Since 1976 QSI sunroom additions have been redefining our client’s relationships with their homes and properties. Enjoy the outdoors in all weather conditions, rain, sleet, snow and sun, also protecting you from UV rays and those annoying mosquitoes!

Get a FREE Quote.

Schedule your free in-home, no-obligation quote today.


Prefabricated extruded insulated aluminum wall system, glazed with high performance glass windows.


Enjoyed from early spring to late fall. The prefabricated aluminum wall systems.

Porch Enclosures

Enhance your covered front or back porch entrance with a custom fabricated maintenance free aluminum porch enclosure.

Construction Images

QSI SMARTComfort Glass Options

Providing you with several choices to introduce protection as well as comfort from extreme hot and cold weather.