Frontier Windows and Doors

Your Satisfaction Is Our Priority


"Hi Patrick,

I just wanted to thank you for the work you did, the windows in our two bathrooms are beautiful and they were both done so quickly. I really appreciate how accommodating you are. I have been telling all my friends about you!


Brandon Lukasik


More About Us

Reliable Window Installation Service

Over the years, we’ve learned that great service begins and ends with experienced and friendly professionals, which explains our rigorous hiring process. We believe that our team is the best in the business, and have complete and total confidence in every person providing our services.

Frontier Windows and Doors finishes each project on schedule and with the highest level of quality. With a focus on personalized service, competitive rates and customer satisfaction, we’re always striving to meet and exceed expectations.


Get in Touch

Saint Catharines ON Canada L2m 7e7


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We are a Better Business Accredited Business. Please check out our business profile on the link at the top of the page.

Baeulmer Approved

We are now Baeulmer Approved. Please check out our page.

Contact Frontier Windows and Doors today.