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Clera Windows + Doors

Clera Windows + Doors

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Phone: +1 844-738-7936 

31 Pennsylvania Avenue, Concord, ON L4K 5V5


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Company Details

Clera Windows + Doors is a family-owned company that manufactures and installs custom windows and doors. Since its founding in 1978, Clera Windows + Doors has improved more than 300,000 homes across Ontario. The company has more than 40 sales and installation offices throughout the province, with a head office and manufacturing facility in Concord, Ontario. 

Clera Windows + Doors offers endless style and colour options, superior security features and noise reduction technology on every product they manufacture. With the Canadian consumer in mind, their products are engineered specifically to withstand harsh weather conditions so your home is protected all year round.

Customers can expect high-quality products at factory-direct prices. From the initial stages of consultation, to the final step of installation, their expert team provides exceptional customer service that exceeds expectations.

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Services Provided

Custom windows and doors, window and door manufacturing, window and door installation, window and door replacement.

Product Line

  • Casement Windows
  • Awning Windows
  • Fixed or Picture Windows 
  • Double & Single Hung Windows
  • End Vent Slider Windows
  • Double & Single Slider Windows
  • Bay & Bow Windows
  • Specialty Shaped Windows
  • Steel Doors
  • Fiberglass Doors
  • Sliding & Garden Doors
  • Storm Doors

Areas Served

Toronto and the GTA, Mississauga, Ottawa, Brampton, Hamilton, London, Markham, Vaughan, Windsor, Kitchener and Waterloo, Richmond Hill and Aurora, Oakville, Burlington, Oshawa, Barrie, St. Catharines, Guelph and Cambridge, Thunder Bay, Sudbury.


  • ENERGY STAR® Certified
  • CSA Certified
  • IGMAC Certified
  • Better Business Bureau® Rating: A+


  • 16-time Homestars Award Winner
  • Three Best Rated Award Winner
  • Best of Ontario Window Reviews Award Winner