Who We Are…

Based in Niagara, Great Northern is an industry leader in home improvement. With over two decades of experience, we specialize in sales and installation of top quality windows, doors, and siding. All of the products we carry come with the best warranties available in the industry.

Our professional sales staff will provide the information and guidance necessary to make informed, considered decisions regarding the exterior of your home. We are committed to achieving unparalleled customer satisfaction, and our services will be performed with precision, professionalism, and punctuality.

Great Northern Home Exteriors is a proud member of the :

Better Business Bureau

Click for the BBB Business Review of this Home Improvements in St Catharines ON

St. Catharines-Thorold Chamber of Commerce

Sawdac ( Siding and Window Dealers Association of Canada)