Clera, the Choice is Clear

Energy Efficient Windows

With Clera Windows + Doors, you're not just purchasing a high-performance product. You're also getting a product that helps reduce your energy bills and environmental impact. You’re getting professional installation. And you're getting one of the best warranties in the business. And we are one of Canada's largest, oldest, most stable and reputable vinyl window manufacturers.

Why Clera?

  • Winner of Home Stars Best of 2012
  • Leader in energy efficiency
  • Certified by CSA, Energy Star, IGMAC, SAWDAC
  • Recognized as one of Canada's Best 50 Privately Managed Companies
  • Best warranty in the industry on vinyl windows
  • Factory-trained professional installers
  • Guaranteed customer satisfaction

Quality, Clera Vinyl Windows among the Best

Independent laboratory testing proves that Clera vinyl windows by Clera Windows + Doors are among the very best available on the market today. Certified by theCanadian Standards Association in accordance with CAN/CSA — A440-00. Testing is performed by an independent laboratory to ensure that our windows and doors are the best that you can get..

Click here for test results

Certified Installation Quality Program

Investing in high-performance vinyl replacement windows and doors is only part of the equation. Having them professionally installed is just as important. At Clera Windows + Doors, we guarantee both because we control the installation processes. All of our installers are trained professionals and are subject to frequent, random on-site installation inspections by both local and head office personnel. Our goal is to ensure that the quality of your installation exceeds both industry standards and your high expectations.

See our Certified Installation Quality Program checklist.

Lifetime Warranty

Clera Windows & Doors Warranty

Our warranty is among the best and most comprehensive in the industry — a no-nonsense, non pro-rated fully transferable lifetime warranty on all vinyl window hardware, components and glass. You'll never have to pay for a new part for your Clera windows. Every customer receives our full written factory lifetime warranty after completion of their installation. Now that's peace of mind.