Clera Windows + Doors

At Clera Windows + Doors, we're proud to be one of Canada's largest and most reputable vinyl window manufacturers and installers, serving Ontario for nearly five decades. Our commitment to quality, craftsmanship, and customer satisfaction has earned us a reputation as one of the most awarded window and door companies in the province.

Our Services

We design, manufacture, install, and service custom windows and doors that meet the unique needs of our customers. Our comprehensive approach ensures that every stage of your window or door replacement project meets our lofty standards of craftsmanship. From start to finish, our team of certified technicians and expert consultants work closely with you to understand your specific needs and preferences, delivering a solution that exceeds your expectations.

Why Choose Clera?

We're not just another window and door company. We're a family-owned business with a proven track record of dependable and high-quality products. We fully manage and take care of your door and window replacement project from start to finish, ensuring every stage of your project meets our standards of craftsmanship. Our competitive prices, non-prorated lifetime warranty, and ENERGY STAR certification are just a few reasons why we're Ontario's most trusted window and door company.

Our Expertise

With over 45 years of experience, we've earned a reputation as one of Canada's leading window and door manufacturers and installers. Our team of factory-trained technicians, backed by our A+ BBB rating, install your new windows perfectly. We have over 45 branches across Ontario, ensuring we're always close by when you need us. Our non-prorated lifetime warranty and ENERGY STAR certification guarantee that our windows meet Canada's strict energy efficiency standards.