We are a privately held company in Peterborough, ON.

Family-run since 1978, Clera Windows + Doors is a premier Canadian manufacturer and installer of custom windows and doors. With 40+ offices across Ontario and a manufacturing facility in Concord, we've enhanced 250,000+ homes. We design and manufacture in Ontario to withstand Canadian winters and summers. Our expert installation team ensures flawless, first-time installations. Elevate your home; contact us today!