About Us

ON Star Windows & Doors is a Greater Toronto area – GTA based windows and doors replacement contractor, specializing in energy efficient vinyl windows, entry doors and sliding patio doors.

Our Products & Service

All windows and doors come with comprehensive warranties against manufacturers’ defects and are installed by skilled installers with years of experience behind them.

Our Promise to You

Your house will be treated with utmost respect, cleaned up after job completion and all garbage removed.

ON Star Windows & Doors showing newly installed vinyl windows on a house in suburban Ontario