For more than 10 years, Harmony Door Service has been providing Southern Ontario businesses, contractors and homeowners with a large selection of quality garage doors, overhead doors, automatic garage door openers, parts, exceptional service and professional installation. Harmony Door Service carries most major brands of garage doors. Our products include Industrial Overhead Doors, a large selection of Residential Garage Doors, Counter Shutters, Fire Doors and Electric Garage Door Openers. We also carry most garage door hardware and parts. At Harmony Door Service, we are excited to offer professional repair, service and installation to garage and overhead doors. We also offer a Preventative Maintenance Program that can be scheduled to meet your needs.