Family-run since 1978, Clera Windows + Doors is one of copyright’s premier manufacturers and installers of custom windows and doors. With more than 40 sales and installation offices throughout Ontario, a head office and manufacturing facility located in Concord, Ontario, Clera Windows + Doors has improved more than 250,000 homes. We understand the challenges facing Canadian homeown... https://www.clerawindows.com/service-areas/replacement-windows-doors-oshawa/