Clera Windows


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Clera Windows

Clera Windows

Website url:
Phone: (905) 738-1870
31 Pennsylvania Avenue, Concord, ON L4K 5V5

Family-run since 1978, the company is widely regarded as one of Canada's premier manufacturers and installers of custom windows and doors.

With more than 30 sales and installation offices throughout Ontario, and its head office and manufacturing facility located in Concord, Ontario, Clera Windows + Doors has improved more than 200,000 homes.

The company has been recognized:

  • Canada's Best 50 Privately Managed Companies
  • HomeStars - awarded best Window and Door Company by HomeStars in 2012 & 2013
  • Winner of Houzz, Best of 2014 service award
  • City of Vaughan's Company of the Year

We continue to be mindful of the values that helped us to earn these credentials: a true and total commitment to customer satisfaction.

We are a Canadian company that has been manufacturing and installing Canadian-made products for nearly 35 years and our overriding goal is to make your renovation project a complete success. When you order custom windows and doors from Clera, you know you're in good hands.

Company Name CleraWindows
Manufacturer Yes
Buy most products from -
How long in Business 1978
BBB Rating A+
No. of complaints 2
Energy Star Yes
CSA certified Yes
Ratings ER/DP/Water/Air
Fixed Casement 40/±3600/730/Fixed
Casement 36/±3600/730/A3
Awning 36/±3600/730/A3
Double Hung 31/±1920/690/A3
Double Slider 31/±1920/290/A3
Single Hung 38/±1920/730/A3
Single Slider 38/±1920/180/A3
Low profile fixed 43/±3600/730/Fixed
Warranty Lifetime


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