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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 has been a family-owned company that manufactures and installs custom windows and doors. Since its founding in 1978, Clera Windows + Doors has improved more than 250,000 homes across Ontario. There are more than 40 sales and installation offices throughout the province, as well as their head office and manufacturing facility in Concord, Ontario.  Clera understands the challenges Canadian homeowners face when it comes to windows and doors. It is necessary for them to be able to endure the harsh Canadian winters and the hot summers. That’s why they design and manufacture their windows and doors themselves right here in Ontario, so they can guarantee a high-quality product. Following that, they have expert installation teams who ensure your windows and doors are installed correctly the first time, every time.

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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 & Hopper Windows
  • Fixed or Picture Windows 
  • Double & Single Hung Windows
  • End Vent Slider Windows
  • Double & Single Slider Windows
  • Bay & Bow Windows
  • Specialty Shapes
  • 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